Aerial photo taken on June 20, 2020 shows the construction site of an old residential community under renovation in the Lunan District of Tangshan, north China's Hebei Province. Local authorities of Lunan District of Tangshan have sped up efforts to push forward the renovation work of old residential communities since 2018. A total of 70 old residential communities in the district have been renovated from 2018 to 2019. (Xinhua/Mu Yu)
