Machu Picchu’s Hidden Secrets | Blowing Up History: Seven Wonders

As one of the cradles of civilisation in the Americas, the Incan civilisation built Machu Picchu as a holy complex high in the Andean mountains, but what other secrets is this ancient city hiding? 🇬🇧 Catch full episodes of your favourite Discovery Channel shows on discovery : Subscribe to Discovery UK for more great clips: Follow Discovery UK on Twitter: