tower counter-flow

例句：

1. 1. The towering skyscrapers are a symbol of modern architecture.
   高耸入云的摩天大楼是现代建筑的象征。
2. 2. The tower was built over 100 years ago.
   这座塔建于100年前。
3. 3. The tower is visible from the top of the hill.
   从山顶上可以看到那座塔。