By MADDIE BURAKOFF AP Science Writer NEW YORK (AP) In the quest to build better for the future, some are looking for answers in the long-ago past. Ancient builders across the world created structures that are still standing today, thousands of years later from Roman engineers who poured thick concrete sea barriers, to […]
Ancient builders across the world created structures that are still standing today, thousands of years later from Roman engineers who poured thick concrete sea barriers, to Maya masons who crafted plaster sculptures to their gods, to Chinese builders who raised walls against invaders.
How are ancient Roman and Mayan buildings still standing? Scientists are unlocking their secrets ominecaexpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ominecaexpress.com Daily Mail and Mail on Sunday newspapers.
Yet scores of more recent structures are already staring down their expiration dates: The concrete that makes up much of our modern world has a lifespan of around 50 to 100 years.