ScienceSeals: On shore leaveTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience07/21/2018July 21, 2018Sightseers come to Heligoland to watch the seals. The animals have become so used to interacting with humans, they're making some people really nervous.https://p.dw.com/p/31pQaAdvertisement