By Enrico Modica | Marina di Modica, Modica, Italia

By Cecille Kennedy | Depoe Bay, Oregon

By Hassan Dadashi Arani | Esfahan. Iran

By Jelieta Walinski Ph.D | Desert bloom Observatory, AZ, USA

By Hassan Dadashi Arani | Esfahan province. Iran

By David Hawkes | Southern Yorkshire, UK

By Patricio Leon | Santiago, Chile

By Laura Bergeron | Veraguas, Panama

By Samantha Anderson | Bulgaria

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

By Asha Prasad | Minnesota, USA

By Ruth Castro | Lakeland Florida

By Mario Rana | Hampton, Virginia

By Cecille Kennedy | Depoe Bay, Oregon

By Bill Kozar | Taylorsville, Indiana. USA

By Petr Horálek | Mount Ursuya, France