Preview Pak Ou Caves, Mekong River, near Luang Prabang, Laos, Indochina, Southeast Asia, Asia Image ID: 641-9929 Artist: Robert Harding Productions Purchase a commercial license Buy framed prints & more from our print store travel water transportation transport asia southeast asia indochina laos luang prabang mekong river pak ou rivers caves boats vertical outdoors day color image travel destinations photography