All-out search for black boxes of crashed passenger plane underway(1/6)

Rescuers search for the black boxes at a plane crash site in Tengxian County, south China's Guangxi Zhuang Autonomous Region, March 22, 2022. Rescuers are making all-out efforts to retrieve the black boxes of a passenger plane that crashed in south China's Guangxi Zhuang Autonomous Region Monday afternoon, an official with the Civil Aviation Administration of China (CAAC) said Tuesday night. (Xinhua/Zhou Hua)

Rescuers search for the black boxes at a plane crash site in Tengxian County, south China's Guangxi Zhuang Autonomous Region, March 22, 2022. Rescuers are making all-out efforts to retrieve the black boxes of a passenger plane that crashed in south China's Guangxi Zhuang Autonomous Region Monday afternoon, an official with the Civil Aviation Administration of China (CAAC) said Tuesday night. (Xinhua/Zhou Hua)

Rescuers search for the black boxes at a plane crash site in Tengxian County, south China's Guangxi Zhuang Autonomous Region, March 22, 2022. Rescuers are making all-out efforts to retrieve the black boxes of a passenger plane that crashed in south China's Guangxi Zhuang Autonomous Region Monday afternoon, an official with the Civil Aviation Administration of China (CAAC) said Tuesday night. (Xinhua/Zhou Hua)

Rescuers search for the black boxes at a plane crash site in Tengxian County, south China's Guangxi Zhuang Autonomous Region, March 22, 2022. Rescuers are making all-out efforts to retrieve the black boxes of a passenger plane that crashed in south China's Guangxi Zhuang Autonomous Region Monday afternoon, an official with the Civil Aviation Administration of China (CAAC) said Tuesday night. (Xinhua/Zhou Hua)

Rescuers search for the black boxes at a plane crash site in Tengxian County, south China's Guangxi Zhuang Autonomous Region, March 22, 2022. Rescuers are making all-out efforts to retrieve the black boxes of a passenger plane that crashed in south China's Guangxi Zhuang Autonomous Region Monday afternoon, an official with the Civil Aviation Administration of China (CAAC) said Tuesday night. (Xinhua/Zhou Hua)

Rescuers search for the black boxes at a plane crash site in Tengxian County, south China's Guangxi Zhuang Autonomous Region, March 22, 2022. Rescuers are making all-out efforts to retrieve the black boxes of a passenger plane that crashed in south China's Guangxi Zhuang Autonomous Region Monday afternoon, an official with the Civil Aviation Administration of China (CAAC) said Tuesday night. (Xinhua/Zhou Hua)