By Emanuele Nifosì | Cava D'Aliga, Scicli, Sicilia

By Hassan Dadashi Arani | Esfahan province. Iran

By Patricio Leon | Santiago, Chile

By Kevan Hubbard | Teesmouth Nature Reserve, Co Durham,England

By Mario Rana | Hampton, Virginia

By Weiguo Ma | Ottawa

By Wes Inman | Torrington, Ct.

By Victor Rogus | Sedona, Arizona, USA

By George McRae | Palermo, California

By Michael Teoh | Ipoh, Perak, Malaysia

By Roberto Brisig | Bogogno, NO, Italy

By Hassan Dadashi Arani | Esfahan province. Iran

By Mandy Daniels | Derbyshire, UK

By Hassan Dadashi Arani | Esfahan province. Iran

By Elmarie van Rooyen | Smoky Lake, Alberta

By Mario Rana | Hampton, Virginia