and there are few other economic opportunities for miskito indians along the coast, and there's not a lot of educational and professional opportunities, uh, as well. >> there used to be so many lobsters that you could walk out into the sea and just f--fish them out by hand. and then the commercialization of lobster diving was introduced, and that sped up, you know, the depletion of the lobster stock closer to shore, and it's just moving deeper, and deeper, and deeper. and that, in turn, is causing these inances of decompression sickness, because these men are diving deeper, and they're staying out for longer periods of time. >> when divers get the bends at s, their only hope is to be rushed to shore. there, they receive emergency treatment in nicaragua's only hyperbaric chamber. if they don't receive treatment quickly, the chances of paralysis and permanent injury are almost certain. >> [speaking spanish] >> for pica, an injured diver, it was this rapid treatment in the chamber that saved his life in 2007. >> [speaking miskito] >> treatment in the chamber isnot an end-all solution for