Irrigated winter wheat, oasis in Gobi Desert, Gansu Province, China, Asia

Bands of light sand grains sorted from heavier dark minerals in intertidal zone at Playa Carrillo, Nicoya Peninsula, Costa Rica, Central America

Beach, Tarifa, Andalucia, Spain, Europe

Porthor (Porth Oer) beach, where the sand whistles due to the unique shape of the grains, Llyn Peninsulal Gwynedd, North Wales, Wales, United Kingdom, Europe

Caribbean land hermit crab (Coenobita clypeatus), Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize

Porthor (Porth Oer) beach, where the sand whistles due to the unique shape of the grains, Llyn Peninsula, Gwynedd, North Wales, Wales, United Kingdom, Europe

Sand Mason Worm (Lanice conchilega), typical structure of tiny hairs covered in grains of sand only 3cm high, Burnmouth, Scotland, UK North Sea

Sand on the road at Redcar, Teeside, England, United Kingdom, Europe

Beach House, Northumberland, England

Carribbean Sea, Cuba

Bucket On The Beach, Northumberland, England

Beach, Alnmouth, Northumberland, England

Young Woman In A Blue Bikini At Mari Ermi Beach, Also Known As The Beach Of The Grains Of Rice, Oristano, Sardinia, Italy

Patterns of wind-blown sand

Desert sand at Death Valley, California

Desert sand at Death Valley, California

Desert sand at Death Valley, California

Woman blowing on sand in hands

Desert sand at Death Valley, California