A relative of an unidentified victim of the domestic airliner, which crashed in Medan, mourns over a coffin during a mass funeral in Medan, Indonesia. A relative of an unidentified victim of the domestic airliner, which crashed in Medan, mourns over a coffin during a mass funeral in Medan, Indonesia September 7, 2005. Indonesia held a mass burial on Wednesday for scores of unidentified plane crash victims as experts sought to determine what caused the Boeing 737 to slam into a crowded residential area of Medan, killing 149. REUTERS/Darren Whiteside