Adventure

the deep sea in a submarine

• The submarine is a sealed protective shell — you observe the deep sea from safety rather than being exposed to it.
• The jungle exposes you to an overwhelming number of slow, agonizing threats — predators, parasites, disease — that are harder to escape than any contained submarine risk.
• Drowning or pressure failure, however frightening, is over quickly — far less drawn out than dying of infection or being mauled in the jungle.