By Niko Powe | Kewanee ill

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Jack Pope | Georgetown, Kentucky, USA

By Janet Howard | South Sawyer Glacier located at the head of Tracy Arm, in the Tongass Nat’l Forest, Alaska.

By James Younger | Victoria, Vancouver Island

By James Younger | Victoria, Vancouver Island

By Stephanie Longo | Mueller State Park, Colorado USA

By jack pope | Harrison County, Kentucky, USA

By Deirdre Horan | Dublin, Ireland

By Jason Porterfield | Beverly Shores, Indiana

By Michael Hoag | From Eastern Kansas

By Michael Hoag | Eastern Kansas

By Willard Johnson | Southampton,N.J.

By Jack Pope | Harrison County, Kentucky, USA

By Raul Cortes | Monterrey, Mexico.