drainage

The object bearing the shape of a mysterious pyramid in the middle of the sea, has a stone staircase leading inside has revealed the secret of an ancient city.

Ancient Romans contributed to the risk of parasites such as worms, and lice increased significantly.

Forbidden City escapes flood thanks to the ancient plumbing system, while floods flood throughout the cities in China.

The Netherlands has two thirds of the country located in flood-prone areas while the population density belongs to the most crowded group. Therefore, people here have designed a

The Thailand Flood Control Center (FROC) is considering the possibility of digging drainage channels in some roads east of Bangkok, to save the city from flooding.

The sponge city can resist flooding and cool its surroundings in the summer by imitating nature.

Super typhoon Harvey poured 56 billion cubic meters of rainwater into the city of Houston, Texas, USA, and experts predicted that after many weeks the water was drained.