根据上下文填入适当的内容完成译文

  Cross the bridge and turn behind the Winter Palace.In the middle of the huge Palace Square stands the Alexander Column.It commemorates Russia's victory over Napoleon.The 650-ton granite column is not attached to the base in any way.Its own weight keeps it upright.Hoisted into place in 1832,it has stood there ever since.

  过了桥______的后面，巨大的冬宫广场中间______。它是为了______。这个六百五十吨的花岗石圆柱底部并未以任何方式固定，底部也无任何支撑。自1832年被竖立起来之后，______。