By Anurag Chikara | Cayman islands, Seven Mile beach, Grand Cayman

By Fredric Walder | Canyonlands National Park, Utah

By Ragini Chaturvedi | Freehold, NJ, USA

By Dr Ski | Valencia, Philippines

By Tom Gallier | San Antonio Tlayacapan, Jalisco, Mexico

By Dr Ski | Valencia, Philippines

By Dustin Guy | Seattle, Washington

By Dr Ski | Valencia, Philippines

By Rita Raina | Rockville, MD

By Dr Ski | Valencia, Philippines

By Dr Ski | Valencia, Philippines

By Roy Bradfield | City of Sunderland, England, UK.

By Liz Dunster | North Carolina, USA

By Deirdre Horan | Dublin, Ireland.

By Deirdre Horan | Dublin, Ireland.

By Victor C. Rogus (FRAS) | Sedona, Arizona