Examine how ancient civilisations built some of the most magnificent structures on the face of the Earth, many centuries before the industrial revolution.
From the dreams that inspired them, to the blood and sweat that built them, the new season unveils the full story behind six magnificent structures that forever changed the landscape of architecture: Petra, Alhambra, St.Paul’s Cathedral, Hagia Sophia, Machu Picchu and Angkor Wat.