这座标志性摩天大楼主导着城市的天际线。

The ___landmark skyscraper dominates the city's skyline.

这座历史悠久的塔楼被指定为国家地标。

The historic tower was designated a national ___landmark.

巴士之旅让游客们不用走路就能看到许多著名的地标。

The bus tour allowed visitors to see many famous ___landmarks without walking.