Courtyard ventilation ground paving

Quick answer：

Courtyard ventilation ground paving refers to the design and installation of permeable paving materials on the ground of a courtyard to allow air and water to pass through. This type of paving is commonly used in gardens, parks, and outdoor spaces to promote natural ventilation and drainage. It can be made of materials such as gravel, permeable concrete, or interlocking tiles that allow water to infiltrate into the ground below.