medieval arch bridge krämerbrücke crossing river gera with half-timbered shops and houses in the city of erfurt, germany

kracurren merbrafrac14 cke erfurt bridge medieval arch halftimbered houses city shops river gera kraemerbruecke merchants limestone sandstone sprengwerk trusses bracing cityscape townscape town old historic traditional historical landmark building architecture facade attraction picturesque famous view tourism holiday vacation summer journey trip travel sightseeing thuringia germany europe krämerbrücke crossing half-timbered