The Jahndenkmal in the Berlin district of Neukölln is a monument in honor of the "gymnastics father" Friedrich Ludwig Jahn in the Volkspark Hasenheide, photographed on May 16, 2015. The monument with its dedications commemorates the first gymnastics center in Germany, which Jahn opened on June 19, 1811 on the Hasenheide. Photo: Manfred Krause