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2012年5月21日早晨7:00左右,位于北京地铁军事博物馆站附近的9号线在建工地上,由于所吊物品太重,1辆正在作业的吊车突然倒栽葱,20～30m长的吊臂倒下后挡住了复兴路东
On the construction site on Line 9 near the Beijing Military Science Museum Station at about 7:00 am on May 21, 2012, a hanging crane that is in operation suddenly loses its weight and hangs 20 to 30 meters long After the arm fell to block Fuxing Road East