Detailed text transcripts for TV channel - DW - 20180410:12:50:00
Didnt just destroy buildings the material it spewed up in a fiery eruption has an enduring secret we head to italy to find out more. rain movie. tunnel city the coliseum is two thousand years old the pantheon likewise its rich under is made of concrete and lighter than normal density the romans pioneered the use of concrete italy is full of historic buildings that have withstood the ravages of time what exactly makes them so extraordinary durable is an interesting question but one thats only bee...
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