VisitingJoshuaTreeNationalPark,CaliforniaJoshuaTreeNati...
问题详情：VisitingJoshuaTreeNationalPark,CaliforniaJoshuaTreeNationalParkisnearly800,000acreslargeandsurroundspartsoftheMojaveandColoradoDesertsinSouth-centralCalifornia.Althoughbarrenatfirstglance,thep...