An investigation into the cause of the crash of China Eastern Airlines flight MU5735 is still ongoing. All 132 victims of the crash have been identified through DNA testing. After finding both of the plane's black boxes, recovery crews are collecting more airplane debris, nearby video footage and eyewitness accounts. More than 15-thousand search and rescue workers have covered an area of 370-thousand square meters. They've found more than 36-thousand pieces of plane wreckage.