[译] 广场中央耸立着人民英雄纪念碑。
[误] The Monument of the People’s Heroes towers aloft at the centre of the square.

[正] The Monument to the People’s Heroes towers aloft at the centre of the square.
[注] 纪念某人的纪念碑 monument 之后用介词 to，又如：A monument to the dead soldiers was set up on the mountain. 山上有一座阵亡将士纪念碑。