"11. Jahrhundert" "11th century" "2. Jahrhundert" "2nd century" "Abendländische Architektur" Alemanha Alemania Allemagne Altertum Antiquity Architecture Architektur Building Castle Chiesa Church "City gate" "Defence work" Deutschland Doppelkapelle "Double Chapel" Duitsland Europa Europe Fort Fortification Fortress Gate "Gate building" Germany Harbour Iglesia Kirche "Middle Ages" "Military building" Mittelalter "Occidental architecture" Palatinate "Place of refuge" Retreat "Rheinland-Pfalz" "Rhenanie-Palatinat" "Rhineland-Palatinate" "Rijnland-Palts" Roman "Roman architecture" Römisch "Sacral architecture" "Sacred building" Sakralarchitektur Sakralbau Sanctuary Stadtbefestigung Stadttor Stadtturm Stronghold Tower "Town gate" Treveres Treves Treviri Trewir Trier Tyskland Wehrbau Westeuropa