Machu Picchu: How did they do it?
The logistics of creating Inca architecture were enormous. The Inca’s greatest challenge is their lack of sophisticated equipment, like cranes or carts. This is not a culture with wheels, with draft animals, with the machines that we take for granted.
Never miss a Nat Geo moment
Join our curious community and you'll have access to some great features!
Personalised content reflecting your interests on the site
Watch exclusive videos before anyone else
Favourite content that you like or want to check out later
Free SMS and Email reminders so you never miss a show
Get notified when content that interests you is published
Share your photos on Snap! that could appear on TV
Share your thoughts and opinions on various matters
Receive a monthly newsletter with loads of great content