herdeckenorth rhine westphaliagermany the hengsteysee is a reservoir completed in 1929 and operated by the ruhrverband in the course of the ruhr between the cities of hagendortmund and herdecke in the ruhr area it is one of the six ruhr reservoirs and named after the neighboring hagen district of hengstey in the back the rwe pumped storage power plant 2h63y2j.jpg from hochschule ruhr west文凭购买✨官网：zjw211 com ✨ hochschule ruhr west文凭购买 ✨官网：zjw211 com ✨ hochschule ruhr west文凭购买 hochschule ruhr west文凭购买 View Photo