ground plan of basel minster — the medieval church layout shows nave, aisles, transept, choir and polygonal apse with vault lines - 巴塞爾主教座堂 幅插畫檔、美工圖案、卡通及圖標
basel minster nave system around 1200 — a precise architectural elevation shows romanesque arches, galleries and early pointed forms - 巴塞爾主教座堂 幅插畫檔、美工圖案、卡通及圖標