Theo Bosboom / Aerial of patterns of receding waves, Playa del Silencio, Asturias, Spain. April 2018

Solvin Zankl / Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Pal Hermansen / Aerial view of river delta and coast, South West Iceland, June 2014.

Jean E. Roche / Wind blowing sand across beach, causing delta patterns, Piemanson, Camargue, France, October.

Benoit Stichelbaut / Rough seas during Storm 'Ruth', Ile d'Ouessant, Armorique Regional Park, Iles du Ponant, Finistere, Brittany, France, Iroise Sea. 8th February 2014. France, Bretagne, Finistere, Mer d'Iroise, Iles...

Richard Du Toit / Aerial photograph of breaking waves, Cape Agulhas, South Africa, Western Cape Province, Indian Ocean, August 2009

Mark Hamblin / 2020VISION / Receding wave shot with long exposure. Talisker Bay, Isle of Skye, Scotland, UK, October 2011.

Ernie Janes / Cley Beach with retreating wave patterns, after sunset, Norfolk, UK January

Floris van Breugel / Sensationally twisted sandstone curves of Arizona's famous wave formation seen under partly cloudy skies. Vermilion Cliffs, Arizona, USA, December 2007.

Wild Wonders of Europe / Hermansen / Wave crashing onto basalt rocks, Giant's Causeway, Unesco Heritage Site, Northern Ireland, June 2009

Jack Dykinga / Mixed colour clays and wave patterns against canyon formations, Paria Canyon, Arizona, USA

Tim Fitzharris / Incoming waves at Bandon Beach, Oregon