Four years into the construction of Beijing's tallest skyscraper, its architects received an unexpected request from the city's authorities.
원문출처 : https://www.cnn.com/style/article/chinese-architecture-xi-intl-hnk/index.html
원문출처 : https://www.cnn.com/style/article/chinese-architecture-xi-intl-hnk/index.html