Records Unlocked on Instagram: "This is the Cologne Cathedral in Germany, one of the largest and tallest cathedrals in the world! Standing at a massive height of 157 meters (515 feet), it was once the tallest building in the entire world. What’s even more unbelievable is that its construction began in 1248 but wasn’t completed until 1880 taking 632 years to finish! A true masterpiece of Gothic architecture and a UNESCO World Heritage site. Don’t forget to hit follow for more unbelievable facts f

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