By Shaurya Salunkhe | Pune, Maharashtra, India

By Mark Wralstad | Virginia Beach, VA

By Andy Dungan | Near Cotopaxi, Colorado USA

By Hassan Dadashi Arani | Esfahan. Iran

By PAUL KIMMELMAN | Wimauma, FL

By David Hawkes | Sheffield, UK

By Hassan Dadashi Arani | Esfahan province. Iran

By Asha Prasad | Minnesota, USA

By Patricio Leon | Santiago, Chile

By Mario Rana | Hampton, Virginia

By Kevan Hubbard | Seaton Carew ,Co Durham ,England

By Jelieta Walinski Ph.D | Chiricahua National Monument, Arizona, USA

By Peter Lowenstein | Mutare, Zimbabwe

By Patrick Fogg | Grand Manan Island, New Brunswick

By Les Choy | Crested Butte, CO, USA

By Graham Hunt | Leicestershire UK