Total Close Friends with a passion in common make linda and axel fluor two of the top divers in germany in their own ways they push themselves to the limit time and again. An indoor Swimming Pool in freiburg in southwest germany a Training Session for an attempt on a wild record. My name is nick linde im thirty seven since two thousand and five ive specialized in free diving its a sport that involves diving with the single breath. Thank. My my goal is to break the world record for distance diving under ice without using fins seventy two meters it was set by a scandinavian diver id like to improve on that by diving for seventy five metres or more under a solid sheet of ice. In addition if im the great thing about free diving is that you are totally in tune with yourself you listen to your body think its become truly aware of yourself as the urge to take a breath grow stronger out of bite as your pulse rate drops and your heartbeat slows thats like mimi go out. It was at first when i was in the water and felt everything slowing down i often thought i cant hear anymore i cant feel anymore and my half way to the other side as you train more of course that feeling grows less powerful. That was rubbish not good enough. And. You know there was a problem. Besides what i wanted one that shouldnt have happened was a huge amount of water into the mask thats not too bad in the pool although its annoying. But under the ice it would be a real problem if. Under ice i only have a thin line to guide me and its a lot darker theres light in the pool and the black guy trip is easy to see even with water in my mask. Make plans to use the weeks leading up to his world record attempt to eliminate problems like this. Exploring caves in the black forest. Land on my stocks with my name is axel three and im thirty eight and a technical diver because i try to dive as far down as possible in caves so to rex in open water using the latest Cutting Edge Equipment mittens of i think its a calm fact so whats in this rail tunnel. And theres a hole letting him go to there you can clearly see and i open it i know it it does than try and. We want to find out whether theres a cave there or if its just a recess or waste of life to involve the werent quite so spoke to him in the implied safety. Economy until i started diving in egypt in one thousand nine hundred ninety three from the very first dive i felt it was Something Special i thought wow this is a totally different world this is exactly what i want to do this this is can all rest of us have marketed. To me even this little cave is spectacular this sort of thing thrills me time and again i havent slept well for the last two nights ive been just too excited wondering what we would find here i might even be the first person ever to explore a new part of this case. If i actually met. Thank. Shoot that was really great but not deep enough for a long dive well have to look for a few of the holes. So its not an extended cave system no unfortunately you can see one small open area up through a fish but its too narrow to squeeze through and i dont think it goes much deeper so just lower the stuff so its lighter it. Mick and axl run a dive shop in freiburg of the mind is its site weve had our dive shop for more than ten years now and everything runs smoothly like in a good marriage. Just fourteen years in a year you know whitney. Is my Business Partner since we sometimes work seven day weeks we probably spend more time with each other than with our wives and children or an attendant as she can one take gold dust im far were both sport divers so we decided to set up a sport diving business and you can see if you know its important for nick to listen to himself and be aware of his own body my passion is discovering things that perhaps no human being has ever seen before. But i think that technical diving and free diving are very similar theyre both about the constant desire to go deeper and further to dive longer and longer. As have you not to go out as the urge to do something not everyone can. Three weeks before nicks attempt on the world record he and axl are training in a lake near freiburg. This is chilly today. Like you came in your wet suit i always do it means i dont have to change i try to avoid the cold as much as possible. With the beanie kid so because. If i do not i mean you made our next suit is just a few millimeters thick i got woman the clothing on and ill wear a pressure suit but im in the water longer because i have to set it all out. Of nothing here i can always rely on your when we dive i know he takes it seriously so i dont have to think about safety all the time i know hes watching out for me shiftings and up us to norfolk look. But why do you do this to yourselves. Its like he did it thats what i keep asking myself. When i go out in conditions like these i really wonder why of the i dont fight it on the other hand these are precisely the conditions we need its i had my thing it happened the last few times we trained it was too warm ok but now the conditions are like those on encounter when i make the attempt with the young but i think even so i struggle to get out of bed when i know ive got to go dive into a cold lake and splash around for a while see you and basically actually. Thank you thank you. Thank you thank you. Mind because of the huge amount of lead im carrying my lungs just have to be full of air lip in all i go to live in kilos of lead on me if you blackout if you exhale completely if that happened to me id simply sink into the lake and disappear. Initially so its important to have someone there whos paying attention whos in the right place at the right time if the bubbles start coming up he sighed and got. A little. Cake. Yeah im satisfied it went well at first i was kind of cold and i wondered whether things would work out today but in fact everything went smoothly. I have to see if i can increase the distance a little if you would as i shall and i want it especially as i still have a few weeks to go what ive done but everything is actually going according to plan this from two new ideas and so he was forced to. Axel has some plans of his own today hes diving down to the bottom of Lake Constance to check out a wrecked the euro as an alcohol and diving down to the euro is demanding even for sport divers forty metres is pretty deep most dont have a lot of experience at depths over forty metres so its a bit like carrying out an experiment on your own body your position you always have to be aware of it all is that tangling sensation in my elbow joint a sign that maybe a nitrogen problem could be in inborn can do this event if you want to pursue this sport at depth you have to know your own body well and on the monkeys and bought one of her to be able to a few and well. See its one of us im checking my tanks its going to be a deep dive so i need to make sure the ratio is right in the mixture of gases we fill the tanks with to flush all the past. They cant have too much oxygen god knows. That if they do you can get oxygen toxicity cramps underwater so yes i wasnt on the. Court so. Let me tell you a bit about the history of the euro a paddle stay mother sank in february of eight hundred sixty four. If you go far it was foggy that day the euro collided with a steam ship the start and went down with him shift to wish. Or and to your eyes and look on. The intel congress descending to the wreck is like diving into the past. And a time when you enter it you can still see the stove where people probably woman themselves and when. Well its all. Already lloyd he can be in the plan ground. Just as a workshop with a ladle still on the workbench the paddle steamers boiler is still open and fires as if someone were about to shovel in some cold light. Those things all make the dive really interesting of us and. Its hard to stop because time and again i experience new things on a dive there are no limits like the stores i dont think i could lead a normal life i need the adrenaline and the kick from always discovering something new with noise its part of my make up and just go out on to i go. To a conference one week before next record attempt in training the guide rope is attached to a boy later under the ice nick and axel will have to improvise a little. Just how great is the challenge this course its massive we try to simulate diving on the ice as accurately as possible and were happy if light now we can face conditions that are really tough move to. The side and if we are at the moment nick is able to push off in other words in training he gets a little boost but later hell start off sitting on the ice then hell basically have to let him self drop and start swimming so hell lose a few metres of momentum that of course could mean the difference between covering eighty five meters or just seventy five. Axel is taking a short trip to neighboring switzerland to embark on another cave adventure. As of yet and here this is lake today were heading for the entrance to the better ish cave the white stick a bit of a shooter avoiding if youre good cop among the better it is a very large cave and deep that makes it dangerous by fifth album effect felt like a female diver drowned here just two or three months ago and she wasnt the first one. Good feel good good of it i should have to ensure a dive goes off safely we have to take extensive safety precautions and only enter the cave with top notch equipment and always healthy for the topic and not for the good of. By a bit of a shite because our always the big challenge with the better. Is that some passages are extremely narrowed when its just on the test and the cave is very deep up to eighty meters in places a good bit of oxygen made it so we have to take several extra tanks along to make sure that well have enough gas at those depths even off the tee for health and cost we have to plan our return route and also ensure we have enough in the right mixture ratio to keep us supplied at the shallower depths in the flush teeth and often even to have to off. Just found a treat a tall line of coast every diver dreams of discovering a new passage which no one has ever seen before of exploring it at all. Laying new lines and perhaps marking the end of the line with an arrow displaying your name. To show you have to stick with the lines but i also try to memorize rock formations so that in an emergency i can swim back even if a line is no longer visible if that happens i have to be able to identify where i am in the cave by its formations. As im called over moviedom of annoyed time and again you hear of people whove written a goodbye note in a cave instead of using their last bit of there to maybe find a way out after all one of us pass your door and image what happens inside someone who gives up like that this is a moment of im wondering was it his mom or the tricky moments on a dive i always think twice about for example whether i should squeeze into a narrow area or instead say ok thats enough to get back to the surface drive home and hug your baby son cave diving will have to take a backseat for a while thats where it all was with one part. I wish to make sure it was mustnt we humans actually come from water we grow in water in the womb. More of an eye. Disease we only learn that we cant breathe in water after weve been born. Human beings have to really learn how to swim how to cope with water in general. Which means its us and we dont have you been diving with your son. Stuff and evasion. Oh yes when i went swimming for baby we did a free dive with him but i was a little too ambitious. The coach said we should poor a stream of water over the babys head then dive when they closed their mouths got from that hes kind of out of agustin on the mat and when when my son closed his mouth i dived down with him and pulled him slowly through the water. But i think i did a touch too long for the little guy for once im glad i have my lungs and sometimes i think is this deeper and deeper stuff really necessary hed like to break the hundred meter barrier but does he really have two hundred meters is really deep. Ill crack it this year. Vice in the lake in austria this is where nick hopes to break the world record. An official judges present ploughs wagner lays out the route his job is to make sure nick and he is to all the roles. Ok. Im moving off one hundred meters though we just need seventy five is good to have sufficient distance will mark seventy five exactly what the two of them except the ones you had to take so look first of all the entry hole is cut in the ice. Another is cut fifty metres away all the holes follow every few metres so that in an emergency mic can surface quickly. Nick think youll break the record. At training last week he covered the distance easily and i think hell do it hes in good shape and very well prepared hes still in the Hotel Getting ready where it will not set up the route to ensure it will all go smoothly. A little. Yacht and meet some of us with something that always worries me a little i failed in my first attempt to break the world record the hole was simply too far away and i just couldnt understand why i couldnt reach it and at first i felt like i always do that the m i five and i was unfit. I noticed the urge to breathe building up but then somehow it was like someone was sucking out all my own. The experience really got to me basically i have faith that i always know whats happening inside my body functions of yours and on that occasion i didnt understand it any more just that it was a major problem for me that its out of him. If. Im to you since the last few breaths are very deep breaths and you breathe in deeply and expelled deeply this through a technique we call packing if you can force more air into your lungs even if they are already full of that provides you with even more oxygen. More no no no. No no. No. No no no. No no. I took a. Much better than i ok make linda has broken doug wilder. Yeah ill. Go. With the body and thank. God for weight first i was a bit tense but that gradually disappeared and i felt good i passed rate was high when i dived in but it just wouldnt go down beforehand. So fantastic he was totally relaxed i was surprised when we suddenly reaches seventy five meters because nick swam so smoothly in this i feel like he could have easily gone on for another five metres and gays and. Thatll do for today is opened. I dont like cold water. I think ration into the day but no more ice for me you have no use for now but before long look for new challenges and once again push themselves to the limits. Discovered by accident they represent a quantum leap in astronomy gravitational waves. Scientists want to use them to study invisible zenescope all this sounds crazy maybe so but astronomers think this could help them solve some of the biggest mysteries of the about us tomorrow to do thirty minutes w. 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