frustrations. okay. if you ve long wondered why zebras have stripes. every play. and my son has, believe me, we ve had this conversation in my house, there s a new study out that reveals why they have those stripes. it turns out the stripes make terrible landing strips, john, for parasites. like blood-suck horse flies. for instance. yeah. so the conclusion reached by scientists for the university of bristol and the university of california, they say that they dressed horses in black and white striped coats and then a single it s a fetching coat, by the way. coat, that horse feels humiliated there i can tell you that much. and they found that fewer flies landed on the horses wearing the striped coats since the design confuses parasites. that s actually genuinely interesting. it is. but then high don t horses hawh stripes? that s an interesting question. but maybe we should wear striped
what do the prototypes look like? reporter: let me show you actually first how easy it is to climb over the existing border fence. they call it the primary fence. it was put up in the 1990s, made of vietnam era landing strips. i m at the top now looking over it. that s as easy as it is now to get into the united states. that s if you can also get past, in some sections, the secondary fence and all the manpower, technology and infrastructure border patrol has out here. what you re looking at now are the eight prototype border walls that president trump promised during the campaign. those are not we should be clear border walls that will stretch 2,000 miles across the southern border. these are not paid for in any way, shape or form, whether by congress or mexico. these are paid for by existing funds from the department of homeland security. the reason we are here now is these things are supposed to be done by thursday, after which point, they re going to do breachability testing.
the border. hey, jacob, what you got? reporter: hallie, the reason we are on the mexican side of the border, it is virtually impossible to see these from the american side. border protection has kept people at a far distance on purpose. basically to prevent people from getting too close. they expect a big protest, they didn t quite get those. what this is here is the vietnam-era landing strips called the primary fence, put up in the 90s. people jump over it, like 70 people a day go over it. those are president trump s prototype border walls to try to stop that entirely. will it? that s the question we posed to the border patrol when we took an up-close look. take a look. just east of san diego between the two existing border fences, mock-ups of president trump s proposed border walls are coming together. what are we looking a in the. there are a total of eight protoe types, four out of concrete and four out of alternate material. reporter: they are pretty
of helping out for air support, landing strips and so forth. as far as the major airports, orlando international in miami international have both sent out tweets in the last 12 hours or so saint they are completely done with commercial ops and they are in the emergency ops mode only. maybe you would be able to work with those airfields, we don t know until after the storm passes is what i m hearing you say. i want to concentrate on another area where people may not be aware where our united states coast guard, emma brown, is a huge part of life saving and that is where we had americans and the us virgin islands and puerto rico. what is really concerning tonight is that josé is coming in right behind irma in those areas and i was reading upwards of 500 americans on one island i believe that was puerto rico but correct me if i m wrong, it needed some sort of rescue in terms of airless off the island. what are you hearing about and what are you dealing with in those areas.
thousands trapped. jomana karadsheh, thank you. new satellite images reveal china installed weapon systems on all seven artificial waters it built on the contested waters of the south china sea. china has already constructed military length landing strips on three of the islands. the ministry of foreign affairs in beijing has not responded to cnn s request for comment. a new security breach at yahoo!. yahoo! confirms more than 1 billion user accounts hacked. this may be one of the largest hacks ever. this is three months after yahoo! admitted data from 500 million accounts had been stolen. cnn s samuel burke live from london with the details. this is a mess. reporter: good morning, john. what is insane about the cyber