9·11 / shì / jiàn / hòu / Dì miàn Líng diǎn / chéng / wéi / le / rén / men / dào / niàn / yù / nàn / zhě / de / chǎng / suǒ9·11事件后,地面零点成为了人们悼念遇难者的场所。After the 9/11 attacks, Ground Zero became a place for people to mourn the victims.