By Emmalee Blender | Near Rifle, Colorado

By Charles Reinhart | Vincennes Indiana

By Iswara Moorthy Ramalingam | Middle of Sahara gas plant camp site, Algeria

By Dr Ski | Valencia, Philippines

By Alec Jones | South Shields, NE England

By Dr Ski | Valencia, Philippines

By Dr Ski | Valencia, Philippines

By Steve Pond | East Grinstead, WestvSussex, UK

By Kannan A | Singapore

By Kannan A | Singapore

By Dr Ski | Valencia, Philippines

By Dr Ski | Valencia, Philippines

By Dr Ski | Valencia, Philippines

By Faye Rees | Round Lake NY

By Joanne Suttile | Mission Viejo, CA USA

By Gordy Losic | Adelaide South Australia