The biodiversity of a pond, which is already endangered in many places, is shown. The individual specimens are introduced over the course of an early summer's day. The highlight is the frog concert at night.
2007
2017
2005
1969
1943
1942
2021
2015
1979
2018
2010
1958
1986
1931
2025
1977
1990
2022
2014