explorers

Nobody has ever visited the wreck of the Titanic.

People can't stay long on top of Everest.

The Mariana Trench and the wreck of the Titanic are under the same ocean.

Edmund Hillary and Tenzing Norgay are both European mountaineers.

Why did Hillary and Norgay bury sweets and biscuits in the snow on their way to the top of Everest?

James Cameron's submarine is called Deepspace Challenger.

There is no sunlight at the bottom of the Mariana trench.

No one climbed Everest before Hillary and Norgay