Mary Beard's Ultimate Rome Empire Without Limit Ep 4 HD 1080p

Mary solved the biggest puzzle of all: why and how did the Roman Empire fall? Surveying the massive walls and fortifications of Britain and Germany, she discovered an empire under pressure, struggling to control its borders. Mary sought to redefine our understanding of the so-called 'Barbarian Invasion', but also showed that the Roman Empire was facing even greater challenges from within.