rappbodetalsperre and the almost 500 m long suspension bridge in the german harz mountains

mountain blue rappbodetalsperre germany nature outdoor landscape energy sky harz summer architecture river travel rappbode dam water green bridge forest europe technology environment reservoir tourism mountains view tree big beautiful sea elbingerode rappbodestausee cloud high highway lake wendefurth suspension anhalt sun vacation hydrotechnical park sachsen hydro technical titan 500 long german mountains copy space