Why put a water tank in the patio?

The reasons for the patio drain tank are as follows:

1. In order to save rain and avoid excessive water accumulation in the courtyard.

2. The water tank can alleviate the water shortage in the water shortage place. For example, there are huge copper cylinders on both sides of the Forbidden City Palace, which can be used in case of accidents.

3. The water tank also has certain geomantic function and lucky function. The ancients thought that water can accumulate wealth, so putting a water tank at home can create the most favorable feng shui.

In the south, water tanks also have beautification functions, such as planting water lilies or keeping goldfish in the yard.

In a word, the patio drainage trough embodies the wisdom of the ancients, makes full use of rainwater resources, and also reflects their respect and adaptation to nature.