|
|
The Swiss Tectonic Arena Sardona |
| Posted by iti 310 days ago (http://static.guim.co.uk) |
Became popular about 310 days ago
![]() |
|
The Swiss Tectonic Arena Sardona, which includes the Glarus Overthrust, has been studied since the 18th century as an exceptional and dramatic display of mountain building through continental collision
|














Comments