On September 14, 2017, workers put together a glass structure at the construction site of the Beijing Municipal People's Government office building. CAI DAIZHENG/RAO QIANG/FOR CHINA DAILY
The construction of the Beijing sub-city center, a national green development zone and a hub for Beijing-Tianjin-Hebei integrated development in Tongzhou district, is a display of scale in this over 800-year-old capital city.