By Andy Dungan | Near Cotopaxi, Colorado USA

By Patricio Leon | Santiago, Chile

By Mario Rana | Hampton, Virginia

By JOSE ZARCOS PALMA | Parque das Nações - Lisboa

By Mandy Daniels | Derbyshire, UK

By Cecille Kennedy | Oregon Coast, Oregon

By Hassan Dadashi Arani | Esfahan. Iran

By Adeel Shafiq | Lahore, Punjab, Pakistan

By Shaurya Salunkhe | Velhe, Maharashtra, India

By Mike Bossingham | Cromer, Norfolk, UK

By Judith Gaffney | Birmingham UK

By David Hawkes | Sheffield, UK

By Mark Thompson | Kingston Upon Hull

By Hassan Dadashi Arani | Esfahan province. Iran

By Hassan Dadashi Arani | Esfahan province. Iran

By Kamala Venkatesh | Borrego Springs, California, USA