Photo taken on Oct. 30, 2018 shows rescuers working at the accident site in Wanzhou District, southwest China's Chongqing. The death toll has risen to three after a bus plunged into the Yangtze River in Chongqing on Sunday. With the help of sonar technology and underwater robots, the bus was found 73 meters underwater, according to Zhou Dongrong, from Shanghai Salvage Co., a state-run salvage company. Rescue work is still underway. A total of 18 professional divers are carrying out salvage operations, according to Zhou. (Xinhua/Wang Quanchao)