wide sandy beach at low tide on a cloudy day, plage de dannes, somme, france, with gentle ocean waves and a vast, peaceful horizon

boulognesurmer hautsdefrance pasdecalais environment boulonnais oceanfront coastline landscape peaceful seascape outdoors relaxing horizon ataples camiers coastal october tourism natural seaside cloudy dannes france gentle scenic nature serene travel ripple sandy beach plage somme ocean waves shore opale water quiet tidal space pools marks wide tide vast sand caps calm open low day sea sky wet