Sally lightfoot crab (Grapsus grapsus) in the littoral of the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Patterns in the mud flats in the Humber Estuary at Salt End, at low tide, Yorkshire, UK.

Old ship hulls being used to provide shelter to a ship yard at Salt End on the Humber Estuary, near Hull, Yorkshire, UK.

Ice and frost on the beach and sand dunes at Sandscale Haws near Barrow in Furness, Cumbria, England, United Kingdom, Europe