Wooden groyne sea defenses on Bossington Beach at sunset, Exmoor National Park, Somerset, England, United Kingdom, Europe

Weathered wooden coastal defenses on Bossington Beach, Exmoor National Park, Somerset, England, United Kingdom, Europe

The coast of southern Cyprus

A lilac twilight with boats on the pebbled beach at Budleigh Salterton, Devon, England, United Kingdom, Europe

Serene dawn scene of fishing boats on the pebbled beach at Budleigh Salterton, Devon, England, United Kingdom, Europe

Turning block and boat on the pebbled beach at Budleigh Salterton, Devon, England, United Kingdom, Europe

Fishing boats and gear on the pebbled beach at Budleigh Salterton, Devon, England, United Kingdom, Europe

Fishing boats and deckchairs on the popular pebbled beach at Beer near Seaton, Devon, England, United Kingdom, Europe

Crystal clear waters and pebbled beaches, Mackinac Island, Michigan, United States of America, North America

Crystal clear waters and pebbled beaches, Mackinac Island, Michigan, United States of America, North America

Crystal clear waters and pebbled beaches, Mackinac Island, Michigan, United States of America, North America

Boats on the beach in the fishing village of Cadgwith in Cornwall, South West England

Polar Bear (Ursus Maritimus) walking along a pebbled beach. L¬gØya, Svalbard.

Rowing boat for hire, Lake Derwentwater, Keswick, Lake District, Cumbria, England

Rowing boats for hire, Lake Derwentwater, Keswick, Lake District, Cumbria, England

Pebbled beach, Sirmione, Lake Garda, Trentino, Italy

Pebbled beach, Toscolano-Maderno, Lake Garda, Trentino, Italy

England, West Sussex; Bognor Regis, Wooden groynes at low tide used as sea defences against erosion of the shingle pebble beach seen through metal railings with colourful flags on the pier.

Girl (2-3) wearing sunglasses walking on pebbled beach