low tide exposing rows of mussels cultivated on robes attached to poles in the bay of wissant at cap gris-nez, pas-de-calais in

beach bouchot business calais cap clam coast coastline cultivate cultivation culture europe farm farming field food france french fresh gris growing hang hauts industry landscape low mussel mussels nature netting nez north ocean opal outdoor pas pillar plantation post production pylon rope saltwater sea seafood seascape shell shoreline tide travel water wooden