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How are ancient Roman and Mayan buildings still standing? Scientists are unlocking their secrets

apnews.com How are ancient Roman and Mayan buildings still standing? Scientists are unlocking their secrets

Scientists are trying to understand how some ancient buildings have lasted for centuries in hopes of making modern buildings more durable.

How are ancient Roman and Mayan buildings still standing? Scientists are unlocking their secrets

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 Maya masons who crafted plaster sculptures to their gods, to Chinese builders who raised walls against invaders.

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.

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