Ключевые слова: aachen, achitecture, ancient, brickwork, building, buildings, charlemagne, city, city hall, cityhall, conservation, dark, facade, german, germany, gothic, guild hall, guildhall, hdr, hdri, high definition, historic, historical, houses, karl der groe, medieval, middleage, minster, monumental, old, preservation, religous, surreal, town, town hall, townhall, window, windows,