If you want to have the chance to see the rare and threatened species olm (Proteus anguinus, German: Grottenolm) you might consider a trip to the Hermannshöhle in Rübeland, belonging to Oberharz am Brocken, Germany. In 1932 five of these animals have been brought there from Postojna, Slovenia. Continue reading “Visiting the Grottenolm”
Visiting the Grottenolm
