![Aerial photos Aerial photos](icons-luftbilder/rhonegletscher_1985.jpg) Aerial overview: Rhonegletscher form the south in 1985: The glacier tongue still flows over the riegel near Bélvèdere (photo J. Alean). | ![Aerial photos Aerial photos](icons-luftbilder/rhonegletscher_1.jpg) Aerial photo from a lower altitude, 28. August 2007: The tongue has now retreated from the riegel (visible on the lower right), and two major glacial lakes have developped (photo Bernhard Edmaier). | ![Aerial photos Aerial photos](icons-luftbilder/rhonegletscher_2.jpg) Enlarged section from the previous photo showing some icbergs, the beginning of the river Rhone and a temporary bridge giving tourists access to an ice cave (upper right; photo Bernhard Edmaier). | ![Aerial photos Aerial photos](icons-luftbilder/rhonegletscher_3.jpg) Another section in which the low evening sun highlights lake sediments re-worked by various temporary advance of the glacier tongue (lower left; photo Bernhard Edmaier). |