The ancient city designed to track time Keeping time was challenging for ancient civilizations, so this one built a city to do it. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts What’s the Safest Place on Earth? New study shows that the polar vortex is shifting Does spinning fast in space make you dizzy? Did You Know When the Sun Sets it is Slightly Green? 12 Popular Science Myths Debunked This Is Not Yellow – How Your Monitor Fools You
