It's the land we love and the land we think we know. We see America's breathtaking landscapes and wildlife as timeless, but the truth is very different. Its unique geography drives the forces of nature to extremes, shaping and reshaping the land and throwing down new challenges for life.
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： It's the land we love and the land we think we know. We see America's breathtaking landscapes and wildlife as timeless, but the truth is very different. Its unique geography drives the forces of nature to extremes, shaping and reshaping the land and throwing down new challenges for life.
