the parts of the ocean they have been searching. so the real challenge is to try to find it very, very deep down, perhaps close to the titanic wreckage. that is where it had been heading to. and that in itself poses enormous problems, evenif itself poses enormous problems, even if they are able to find it at such depths of 30 800m, the physicality involved getting people out of that vessel safety. they are vessel safety. they a re actually vessel safety. they are actually belted inside. it is not a matter of even if it did come to the surface ofjust pepping come to the surface ofjust popping open the doors, they are bolted in so they need a team on the outside to get people out. all sorts of incredibly difficult technical problems to tackle. and it is a search that is clearly going on throughout the night.- throughout the night. yes, as ou sa . throughout the night. yes, as you say- and throughout the night. yes, as you say. and as throughout the night. yes, as you say. and as of