By Lorraine Boyd | Cohoes, New York

By Nina Gorenstein | West Lafayette, IN, USA

By Hassan Dadashi.Arani | Esfahan province. Iran

By Patricio Leon | Santiago, Chile

By Mario Rana | Hampton, Virginia

By ANDREW MACLEAN | Turners Hill, West Sussex, UK

By Hassan Dadashi.Arani | Esfahan province. Iran

By Joseph Prendergast | Tarkiln Nature Preserve, Pensacola, Florida, USA

By Hassan Dadashi.Arani | Esfahan. Iran

By Andy Dungan | Near Cotopaxi, Colorado USA

By Nina Gorenstein | West Lafayette, IN, USA

By Victor Rogus | Sedona, Arizona, USA

By Brian Ottum | Saline, MI, USA

By Mandy Daniels | Derbyshire, UK

By Kevan Hubbard | Seaton Carew, Co Durham, England

By Hassan Dadashi.Arani | Esfahan province. Iran