Lone tree at the foot of Dune 45, with the distant dunes rendered silver and purple by the afternoon sun, Namib Naukluft, Namibia, Africa

The silver sands of Morar with Eigg and Rhum on the horizon, Highland Region, Scotland, United Kingdom, Europe

Sculpture on Gwangalli Beach, Busan, South Korea, Asia

Silver sand beach with turquoise sea, Havelock Island, Andaman Islands, India, Indian Ocean, Asia

View across the silver sands of Morar to the Sound of Sleat, Morar, Highlands, Scotland, United Kingdom, Europe

Silver sand and palm trees, Sainte Anne beach, Martinique, French Overseas Department, Windward Islands, West Indies, Caribbean, Central America

Silver sand and palm trees, Sainte Anne beach, Martinique, French Overseas Department, Windward Islands, West Indies, Caribbean, Central America

Silver sand and palm trees, Sainte Anne beach, Martinique, French Overseas Department, Windward Islands, West Indies, Caribbean, Central America

Silver sand beach with turquoise sea, Havelock Island, Andaman Islands, India, Indian Ocean, Asia

Jewellery, Gioielli Tuareg, Southwest desert, Libya, North Africa, Africa

Cape fox (Cama fox) (silver-backed fox) (Vulpes chama), Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Bathing boxes (beach huts) and Silver gull (Chroicocephalus novaehollandiae) on shores of Port Phillip Bay, Brighton, Victoria, Australia, Pacific

Sand cone called Moon Viewing Platform in the sand garden area of Ginkakuji (Silver Pavilion) Zen temple garden, Kyoto, Japan, Asia

Silver sand beach with turquoise sea, Havelock Island, Andaman Islands, India, Indian Ocean, Asia

Silver Pavilion, sand garden, Kyoto, Japan

Split image of Smallspotted dart (Trachinotus baillonii) swimming along the sandy shore at dusk, Rongelap, Marshall Islands, Micronesia, Pacific

Silver Pavilion and Zen garden symbolizing Mount Fuji and the sea, in Ginkaku ji temple, Kyoto, Kansai, Japan

Bluefin trevally, Caranx melampygus, Ailuk atoll, Marshall Islands, Pacific

Split image of Smallspotted dart, Trachinotus baillonii, swimming along the sandy shore at dusk, Rongelap, Marshall Islands, Micronesia

Off-road vehicle and a Black-backed jackal (Canis mesomelas) near Sandwich Harbour, Namib Naukluft National Park, part of the Namibian Skeleton Coast National Park, Skeleton Coast, Namib Desert, Namibia, Africa

Touareg sitting in the sand selling souvenirs, Libya

Off-road vehicle Jeep Comander on rocky terrain, Canyonlands, Utah, USA

Touareg sitting in the sand selling souvenirs, Libya

King Penguin (Aptenodytes patagonicus) on the Falkand Islands in the South Atlantic. Group of penguins marching on sandy beach towards their colony. South America, Falkland Islands, January

Caribbean Whiptail Stingray (Himantura Schmardae), Utila, Bay Islands, Honduras

Caribbean, Bahamas, Little Bahama Bank, 14 foot tiger shark [Galeocerdo cuvier].

Caribbean, Bahamas, Little Bahama Bank, 14 foot tiger shark [Galeocerdo cuvier].