Burnt board pavilion ground paving

Quick answer：

Burnt board pavilion ground paving refers to the paving of pavilion floors with burnt wood boards. This style of flooring is often used in traditional Chinese architecture, where the burnt wood gives a rustic and natural appearance. It involves the use of wooden boards that have been charred to achieve a distinctive look, which can be both decorative and functional. The process of charring the wood helps to prevent decay and increase the durability of the material.