By Cameron Frankish | Tywarnhayle Copper Mine, Porthtowan, Cornwall, UK

By Kevan Hubbard | Seaton Carew, Co Durham, England

By Hassan Dadashi . arani | Esfahan . Iran

By Roland Kueng | Grindelwaldm Switzerland

By Hassan Dadashi . arani | Esfahan province

By Lorraine Boyd | Cohoes, New York

By Gin Kovatch | Tucson, AZ, USA

By Paul Wilson | Paso Robles, CA., San Luis Obispo county

By Tony Everhardt | Ottawa National Wildlife Refuge. Ottawa County, Ohio

By Mario Rana | Hampton, Virginia

By Fausto Lubatti | Piani Resinelli, Lombardy, Italy

By Eliot Herman | Siding Springs Australia

By Tameem Altameemi | Ras Al Khaimah - UAE

By Muhammad Alaa | Egypt,Assiut, Dirout

By Brandi Mullins | Bassett, Va

By Hassan Dadashi . arani | Esfahan . Iran