Visitors mourn their deceased family members and friends at the Tangshan Earthquake Ruins Memorial Park in Tangshan City, Hebei Province, July 28, 2017. In the early hours of July 28, 1976, one of the deadliest earthquakes of the 20th century toppled Tangshan, killing more than 242,000 people and injuring another 160,000. (Photo: China News Service/Han Bing)
