Aerial photo taken on July 28, 2021 shows people mourning for victims in the 1976 Tangshan earthquake at the Tangshan Earthquake Memorial Park in Tangshan, north China's Hebei Province. Wednesday marks the 45th anniversary of the Tangshan earthquake. The 7.8-magnitude quake struck the city of Tangshan in Hebei Province on July 28, 1976, killing more than 240,000 people and destroying virtually all buildings. (Xinhua/Mu Yu)
