By Amheric Hall | Washoe City, Nevada

By Cecille Kennedy | Pirate Cove, Oegon

By Michael Flynn | Pine Mountain Club Kern County,California USA

By Hassan Dadashi . arani | Qom province . Iran

By Karen Willars | Alonissos Greece

By Mario Rana | Hampton, Virginia

By Peter Lowenstein | Mutare, Zimbabwe

By Amr Abdulwahab | fayoum oasis, egypt

By Teresa Molinaro | Pisa, Toscana, Italy

By Barry Medlin | Hahira, GA

By Meiying Lee | Taoyuan, Taiwan

By Steve Griffiths | John Day Fossil Beds National Monument

By Rustine Neuberger | Jackson MS

By David Hoskin | Halifax, Nova Scotia, Canada

By Maged Yehia | Egypt

By Hassan Dadashi . arani | Esfahan . Iran