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Recession (English)
後退 (日本語)
Blockhauss of Capbreton (Landes, France) seen from the south. Built at the top of the dunes circa 1943, they are now underwater 2/3 of the time. It shows 200 meters of recession of the beach in 65 years.

Landward movement of the shoreline due to the loss of beach material and/or direct inundation of the land.