Seen der Welt - Naturparadiese im Wandel
Directed by Claudia Ruby2025 43m[Documentary](/on-demand/category/documentary)
There are more than 100 million lakes in the world and their diversity is as large as this number. Lakes provide drinking water for millions of people and are considered a hotspot of life: almost half of all fish species live in fresh water. Some lakes have extreme conditions: they are saltier than the sea, toxic or hot.
