The Leaning Tower of Pisa has slowly started defying its name, losing four centimeters of its tilt over the past 17 years.
원문출처 : https://www.cnn.com/travel/article/leaning-tower-of-pisa-tilt-scli-intl/index.html
원문출처 : https://www.cnn.com/travel/article/leaning-tower-of-pisa-tilt-scli-intl/index.html