The North Sea, the largest sea on our doorstep, has many faces: wide tidal environments, high dunes, flat holms and rugged coastlines. Its beaches attract every season not only tourists but also countless seals. And beneath the cool sea surface hides a varied and fascinating underwater world: whether majestic basking before the chalk cliffs of Dover or combative gray seals on the beach of Helgoland, whether mighty squid on the... see more