Photo taken on Aug. 11, 2020 shows an interior view of a company in an innovative industrial park, north China's Tianjin. The innovative industrial park, with a total area of 16,000 square meters, was converted from old buildings of Tianjin Flying Pigeon bicycle factory. It now provides office space for technological and cultural companies. (Photo by Zhao Zishuo/Xinhua)

Children practice dance at a dance school in an innovative industrial park, north China's Tianjin, on Aug. 11, 2020. The innovative industrial park, with a total area of 16,000 square meters, was converted from old buildings of Tianjin Flying Pigeon bicycle factory. It now provides office space for technological and cultural companies. (Photo by Zhao Zishuo/Xinhua)

Photo taken on Aug. 11, 2020 shows an interior view of a company in an innovative industrial park, north China's Tianjin. The innovative industrial park, with a total area of 16,000 square meters, was converted from old buildings of Tianjin Flying Pigeon bicycle factory. It now provides office space for technological and cultural companies. (Photo by Zhao Zishuo/Xinhua)

Staff members work at a makerspace in an innovative industrial park, north China's Tianjin, on Aug. 11, 2020. The innovative industrial park, with a total area of 16,000 square meters, was converted from old buildings of Tianjin Flying Pigeon bicycle factory. It now provides office space for technological and cultural companies. (Photo by Zhao Zishuo/Xinhua)

Photo taken on Aug. 11, 2020 shows an exterior view of an innovative industrial park, north China's Tianjin. The innovative industrial park, with a total area of 16,000 square meters, was converted from old buildings of Tianjin Flying Pigeon bicycle factory. It now provides office space for technological and cultural companies. (Photo by Zhao Zishuo/Xinhua)