Deeply fascinating

摘要

For sale: deep-sea manned submarine. Full service history. State-of-the-art titanium pressure hull. One careful owner. Comes with its own ship. Could be yours for just $48m....But not until it has completed the mission for which it was designed. The world's first manned expedition to the deepest points of the world'sfive oceans: an unforgiving environment of perpetual darkness, near-freezing water, bone-crushing pressures and bizarre shrimps.