National Geographic explorers have the best jobs ever! Find out what it's like to explore black holes, climb mountains, and go deep-sea diving for a living.
迪恩·波特 , 亚历克斯·霍诺德 , Brad Lynch , Jim Hurst , Dean Fidelman , Eric Perlman , Timmy O'neill , Cedar Wright , Dan Duane , Elizabeth Potter , Jennifer Rapp , Jay Epstein
简介： National Geographic explorers have the best jobs ever! Find out what it's like to explore black holes, climb mountains, and go deep-sea diving for a living.
