Builders work at the construction site of an industrial park at the old factory area of Tianjin No. 1 Machine Tool Co., Ltd. in north China's Tianjin, Jan. 3, 2024. The old factory area of Tianjin No. 1 Machine Tool Co., Ltd. is undergoing renovation construction and to be transformed into an industrial park boasting a museum, a wetland park, office buildings, and other facilities.

In recent years, Tianjin has been carrying out transformation and industrial upgrading projects of old industrial areas. (Xinhua/Sun Fanyue)