：美丽美利坚
剧情：It’sthelandweloveandthelandwethinkweknow.WeseeAmerica’sbreathtakinglandscapesandwildlifeastimeless,butthetruthisverydifferent.Itsuniquegeographydrivestheforcesofnaturetoextremes,shapingandreshapingthelandandthrowingdownnewchallengesforlife.收起 
