Day 15 - Italy
Why Does the Pisa Tower Lean? New words in this story Notes: Trong lịch sử của ngành kiến trúc, hiếm có công trình nghệ thuật nào mà chính sự sai lầm trong quá trình xây dựng lại biến nó thành một tuyệt tác của nhân loại. Vậy mà ở Italy lại tồn tại một công trình như vậy, đó là ngọn tháp nghiêng Pisa nổi tiếng. The Pisa Tower is the best leaning tower in the world. It was built in 11 th century. It was made of white marble. It is 55.863 meters tall. However, after the 3 rd floor was finished in 1178, the Pisa Tower began to lean. The foundation caused the lean of the tower. It was only 3 meters deep . The foundation was built on clay . So, the land was not strong enough to keep the weight of the huge tower. After that, the Pisa Tower was stopped within 100 years. The government hoped that the soil would settle . And it would be strong enough to hold the weight of th