Birds  Mexico  "In Wildness"  Glen Canyon  Maine  Adirondacks  Baja  Galápagos  Appalachians  Greece and Turkey  Africa  Iceland  Antarctica  Egypt  China and Macao Color Photographs | China and Macao | P1990-51-1411  image 22 of 51  Rock Outcrops in Sand Dunes, Dunhuang, Gansu Province, China, June 29, 1980 Request imagery Color Photographs | China and Macao | P1990-51-1411  image 22 of 51