The remains of all 67 individuals who died in the helicopter and passenger plane midair collision in Washington, DC, last ...

一架载有六人的小型飞机1月31日星期五在美国宾夕法尼亚州大城市费城（Philadelphia）一个建筑密集的社区坠毁并引发大火，导致地面上多人伤亡。