In this video I show the geological underworld in the Vulkaneifel. We enter the Maar tunnel in Ulmen.
#elms #maarstollen #volcanic Eifel
Episode: 179
Idea and implementation: Markus Köbler
00:00 Intro
00:10 Ulmen Maar tunnel
Негізгі бет Ойын-сауық Ulmen Maar Tunnel
Пікірлер: 10