4 ms·
- why just 60 feet / 20m below the surface? - what will be possible that now is not?
by anotheryou 6y ago
- why just 60 feet / 20m below the surface?
- what will be possible that now is not?
- imglorp 6y agoFor extended stays, physiology demands of breathing compressed gasses get complicated. At that depth, the effects are minimized.