Why Ancient Roman Monuments Are Still Standing

작성 - 290 단어

언어

읽기 수준

기사 듣기

조정

The Colosseum, an amphitheater in Rome, Italy, was built in 80 AD (Credit: FeaturedPics/ CC BY-SA 4.0 /Wikimedia Commons)

Despite technological advances, modern concrete structures start to crumble in just 50 years if not maintained. This contrasts sharply with Italian monuments that remain standing after over 2,000 years. Now, an international research team has finally uncovered how Roman concrete wonders continue to survive to this day.

댓글 60개