Why was the Great Wall of China built?

Mankind doesn't just send rockets or space probes into space. In fact, many unexpected objects have been launched into space, all for the sake of science. See acast.com/privacy for privacy and opt-out information. Hosted on Acast. See acast.com/privacy for more information. 

On the walls of the Egyptian pyramids, human depictions, and especially depictions of nobility, are often represented in profile. The reason they are designed this way is primarily religious. If you look closely, you’ll notice that the ancient Egyptian characters are not entirely ...  Show more

The Great Wall of China is one of the architectural wonders of the world. Stretching for over 21,000km - as far as London to New York and back, twice - it follows what used to be the border between China and Mongolia. Built over a period of 2,000 years by millions of conscripted ...  Show more

It's one of the most iconic structures in the world: The Great Wall of China.

But is it just one wall? And who built it and why? Today, Tristan Hughes is joined by William Lindesay OBE to delve into the ancient history of this epic structure and to answer these quest ...

Inscrite au patrimoine mondial de l'Unesco, la muraille de Chine est la plus vaste construction jamais entreprise par l'homme. Édifiée, pour l'essentiel, entre le IIIe siècle avant J.-C. et le XVIIe siècle de notre ère, elle devait protéger une Chine unifiée des invasions venues ...  Show more

The Great Wall of China is one of the most visited tourist desinations in the world. How'd it get built? How old is it? What's the current condition? Learn this and more in today's episode.