In this combo photo taken on Jan. 14, 2021, the upper left part shows damaged eaves tiles of unique shape taken off from the roof of a restored building that houses the Memorial for the Site of the First National Congress of the Communist Party of China (CPC) in east China's Shanghai; the upper right part shows a piece of eaves tile being repaired by a worker; the lower parts show renewed eaves tiles placed back to the roof. The Memorial for the Site of the First National Congress of the CPC, housed in a restored building in Huangpu District in Shanghai, temporarily closed beginning on Nov. 17, 2020 for large-scale renovation. (Xinhua/Liu Ying)