Cologne Cathedral in Germany, a UNESCO World Heritage Site, is a Gothic architectural masterpiece and one of Europe’s largest cathedrals. Construction began in 1248 and spanned 632 years, finishing in 1880. Its design features pointed arches, ribbed vaults, and flying buttresses, showcasing the craftsmanship and principles of medieval Gothic architecture. The cathedral also houses significant religious artifacts, making it a historical and cultural landmark. #architecture #colognecathedral #chur