By Jim Militello | Tucson, Arizona USA

By Victor Rogus | Sedona, Arizona, USA

By Ray Tolomeo | Warrenton, Virginia

By juan manuel pérez rayego | Mérida, Spain

By Mohammed Abdallah | Suez, Egypt

By Nanci McCraine | Cayuga Lake NYS

By Nicole Chaps | Parma, Ohio, USA

By Patricio Leon | Santiago, Chile

By Nancy Case | Indian Rocks Beach, Florida

By Mario Rana | Hampton, Virginia

By Luis Miguel Fuentes Villalbazo | Spielberg Steiermark

By Victor Rogus | Sedona, Arizona, USA

By Kevan Hubbard | Seaton Carew,Co Durham ,England

By Tina Clothier | Kilauea caldera, Hawaii Volcanoes National Park

By Meiying Lee | Hsinchu and Nantou, Taiwan

By Roosevelt Silva | Brasília, Distrito Federal, Brasil