00:00You think the most dangerous construction work is high altitude, not necessarily.
00:03The real life gambling work is underground. A person buried at the bottom of a pit 15 stories
00:09deep. No light, no direction, no reference points, just a pile hole a few meters wide
00:14filled with high density mud slurry. The moment someone goes down, their eyes are useless.
00:19If a drill bit accidentally detaches, over a thousand pounds of steel stuck at the bottom,
00:23leave it there and the entire foundation pile is scrapped, millions of dollars lost.
00:27What to do? Machines can't see, sonar fails, cameras are useless.
00:32Only option, send a person down. They're called water ghosts.
00:37Before descending, one air hose is connected from the surface, the only lifeline.
00:41No oxygen tank, no backup system, just one soft tube from surface to darkness.
00:46The people above cannot see him either, no image, no video, only air pressure changes to
00:51judge whether he's still moving. If the shaft wall collapses, mud slurry floods in instantly.
00:56Person buried 15 stories deep in darkness, no escape route, no reaction time.
01:01One job pays $20,000. If something goes wrong, the family receives $2 million.
01:07$20,000 isn't a reward, it's a price tag on risk. Many call this bravery.
01:12Station property.
01:13$20,000. If something goes wrong, are they going to sustain them?
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