Рет қаралды 31,264
The history of our world isn't set in stone. We write history based on what we think we know about it - and in most cases, that's quite a lot. Every now and then, though, something will come along that challenges the established facts and makes us think again about the people and places that came before us. This video is all about those troublesome discoveries - the ones that make the experts have to rip everything up and start again!