The city gate refers to the passage under the city tower. It is a kind of defensive building in ancient Chinese cities. The city gate and the city tower are connected by the city w...

Dreaming about palaces and palace gates is an auspicious sign, usually a symbol of wealth, money, and power. Dreaming about palaces and palace gates indicates that the dreamer will...

A sluice gate is a low-head hydraulic structure built on the banks of rivers, channels, reservoirs, and lakes with the functions of retaining and discharging water. Closing the gat...