Hardly anyone knows the small, tranquil island of Ummanz, but it is a real insider tip among nature lovers. Ummanz is located between the island of Hiddensee and Rügen in Mecklenburg-Western Pomerania and is also affectionately called Rügen’s little sister. In 1901, Ummanz was connected to Rügen by a 250-metre-long bridge and can still be accessed by car or...