Edinburgh Castle Is One Of The UK’s Most Beloved Landmarks, But It’s Hiding A Startling Secret

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If ever you visit Scotland’s capital, you’ll more than likely take a stroll along the city’s principal thoroughfare: Princes Street. As you walk amidst the skirls of the bagpiping buskers and the clang of the trams, your eyes will be attracted southwards and upwards. There, looms a massive blackened pile of rock and atop sit the magnificent walls and towers of Edinburgh Castle. But what won’t be immediately apparent is the complex’s tightly held secret.