原级：watchtower
1. The Wall of Genghis Khan was absent of watchtowers dotted along its line.
2. It said 57 fighters attacked watchtowers from four sides and " silenced them " as seven suicide bombers detonated vehicles laden with explosives around the facility.
3. The watchtowers also have apertures from which archers could shoot at invaders.
4. Built by closely laying stone slabs together, the walls of these watchtowers are perfectly even and straight.
5. On the roof were watchtowers, which reportedly were used to defend against gangsters.
6. The unique feature in Mutianyu section of the wall is the presence of watchtowers.
7. Zhang's bright paintings of Beijing's city gates and watchtowers also add vitality to the exhibition.
8. The dragon linked four watchtowers situated north of Badaling's Guancheng Square.
9. Once in Danba, people visit the watchtowers that are scattered about the county.
10. There are many stories concerning the construction of these watchtowers in Danba.