Stained-glass windows, Saint Nicholas Chapel, Aachen Cathedral, UNESCO World Heritage Site, North Rhine Westphalia, Germany, Europe

travel destination photography color image vertical day indoors architecture interiors building interior religious place of worship christianity detail details window windows art stained glass st nicholas chapel cathedral cathedrals aachen aachen cathedral world heritage site north rhine westphalia north rhine westphalia nordrhein westfalen nordrhein westfalen germany europe