Aerial photo of tetrahedron, slag-heap ascent, Bottrop, Ruhr Area, North Rhine-Westphalia, Germany, Europe

above aerial aerial angle area area ascent basin bottrop day daylight daytime during elevated europe european exterior exteriors federal frg from german germany heap high high angle nobody north nrw of outdoor perspective perspectives photo photograph photographs photos republic rhine rhine westphalia rhine westphalian ruhr shot shots slag slag heap tetrahedron the top topview topviews view views westphalia westphalian