"Abendländische Architektur" Abutment Alemanha Alemania Allemagne "Arched buttress" Architecture Architektur Building Buttress Cathedral Chiesa Church Cloister Construction Deutschland Dom Duitsland Europa Europe Fiale Fialtürmchen Germany Gothic Gotik Harbour Iglesia Kirche Kloster Konstruktion "Lower Rhine" "Middle Ages" Mittelalter Niederrhein "Noord-Rijnland-Westfalen" "Nordrhein-Westfalen" "North Rhine-Westphalia" NRW "Occidental architecture" "Place of refuge" Retreat Rheinland "Rhenanie-du-Nord-Westphalie" Rhineland "Sacral architecture" "Sacred building" Sakralarchitektur Sakralbau Sanctuary "Small tower" Static Statics Statik Strebebogen Strebepfeiler Strebewerk "Tiny tower" Tuermchen Turmchen Tyskland Westeuropa Xanten