Formation of the proglacial lake | |
 Formation of the proglacial lake; animation generated using «Swisstopo Journey through time viewer» |  Overview from the NW (August 13th 2013, photo Jürg Alean). |
Formation of the proglacial lake | |
Formation of the proglacial lake; animation generated using «Swisstopo Journey through time viewer» | Overview from the NW (August 13th 2013, photo Jürg Alean). |