With less than 40 hours of oxygen left, How DEEP is the 5 passenger sub? Somewhere around 3700 Meters, where the Titanic is. How deep is 3700? This scary video will show

With less than 40 hours of oxygen left, How DEEP is the 5 passenger sub? Somewhere around 3700 Meters, where the Titanic is. How deep is 3700? This scary video will show