Ireland, County Sligo, Lough Gill, stone jetty near Tobernalt.

England, London, View of Tower Bridge and the sculpture known as Girl with a Dolphin created by David Wynne in 1973.

USA, Arizona, Monument Valley, A hot air balloon flying over the red sand dunes at Sand Springs during Balloon Festival in the Navajo Tribal Park.

Jordan, Wadi Rum Protected Area, Desert sand and mountains in the Wadi Rum Protected Area, a UNESCO World Heritage Site. Um Sahn sandstone.

Jordan, Wadi Rum Protected Area, Desert sand and mountains in the Wadi Rum Protected Area, a UNESCO World Heritage Site. Um Sahn sandstone.

Ireland, County Roscommon, Lough Key Forest Park near Boyle, swans on mist shrouded lough with McDermott's Castle in the background.

Qatar, General, Empty desert landscape.

Qatar, General, Gulf desert empty landscape.

France, Brittany, Les Tas de Pois, Pile of Peas, islets off the Pointe de Pen-Hir on the Presqu'ile de Crozon.

Mexico, Quintana Roo, Xcaret, Shark.

England, West Sussex, West Wittering Beach, Patterns in the sand at low tide.

England, West Sussex, West Wittering Beach, East Head, Patterns in the sand at low tide.