bridge of remagen east side towers

windows wall vegetation two towers tower tourism suggests structure stone stand slit sky significance side set serving rural ruins rugged roughlyhewn rocky rock remnants remagen reflecting purposes prominently narrow monuments monument monastery military medievalstyle located larger landmark historical hillside green fortresslike fortification feature era east defensive dark cylindrical constructed clear castle building bridge blocks backdrop area architecture appearance abbey war ww2 wwii world war second fort fortification fortress germany german barrier border tank wars warfare rhine erpel