De Möhnetalsperre in het Sauerland https://www.google.com/maps/@51.4899914,8.0599096,3a,75y,242.4h,89.43t/data=!3m8!1e1!3m6!1sAF1QipNujmWa5U68Q2nRszK22DzOT8Q8UNkqtprqngWo!2e10!3e11!6shttps:%2F%2Flh5.googleusercontent.com%2Fp%2FAF1QipNujmWa5U68Q2nRszK22DzOT8Q8UNkqtprqngWo%3Dw203-h100-k-no-pi0-ya233.0...