Two homes near a set of railroad tracks in San Antonio, Texas were all but destroyed Tuesday morning when 18 cars of a U星期二早晨，在圣安东尼奥得克萨斯州，当太平洋联合公司的运货列车18车厢脱离轨道的时候，住在轨道附近的两户人家几乎没有遭到损害。