Hard, but doable. Here is the analysis by an experience diver.
https://www-ostsee--zeitung-de.translate.goog/panorama/exper...
Hard, but doable. Here is the analysis by an experience diver.
https://www-ostsee--zeitung-de.translate.goog/panorama/exper...
Right, Achim Schlöffel is legitimate. In terms of complex tech diving he has been there and done that, and has the pictures to prove it. When he says something can be done there's no reason to doubt him.
https://is-expl.com/about/instructors/wgZMC8Y7