Rare images of PERM

Perm is a city in Russia located in the southwest of the Ural mountain range, on the Kama River.The city is famous among geologists for an interesting fossiliferous deposit from the period known as the Permian (between 300 and 250 million years ago).Perm has been an important industrial center, since the 19th century, highly developed … Lire la suite Rare images of PERM