sunset on the beach of sainte cécile on the banks of the english channel on the côte d'opale

shore sea coast beach wave ocean sand horizon morning sunset sunrise dawn reflection sunlight mudflat bay dusk sainte cécile banks english channel côte d'opale pas-de-calais region france europe background beach beautiful blue channel coast coastline europe france horizon landscape nature ocean opal outdoor reflection sand sea seashore shore summer sun sunset tourism travel vacation water