Black Boxes Badly Damaged, No Clues To Explain Plane Crash: China

China said on Wednesday the black boxes of a Boeing 737-800 jet that crashed last month were badly damaged, leaving virtually no publicly available clues to explain its violent plunge into a wooded...

source https://www.ndtv.com/world-news/black-boxes-badly-damaged-no-clues-to-explain-plane-crash-china-2905441