FILE - In this photo released by Xinhua News Agency, search and rescue workers search through debris at the China Eastern flight crash site in Tengxian County in southern China's Guangxi Zhuang Autonomous Region on March 24, 2022. Two years after a Boeing 737-800 passenger jet crashed on a domestic flight in China, killing all 132 people on board, accident investigators indicated Wednesday, March 20, 2024 that they have not yet determined the cause. (Lu Boan/Xinhua via AP, File)
FILE - In this photo released by Xinhua News Agency, a search and rescue worker holds the second orange-colored "black box" recorder which recovered at the China Eastern flight crash site in Tengxian County in southern China's Guangxi Zhuang Autonomous Region on March 27, 2022. Two years after a Boeing 737-800 passenger jet crashed on a domestic flight in China, killing all 132 people on board, accident investigators indicated Wednesday, March 20, 2024 that they have not yet determined the cause. (Lu Boan/Xinhua via AP, File)