The ground paving of the Wide and Narrow Alleys

Quick answer：

The Wide and Narrow Alleys, also known as Kuanzhai Xiangzi, is a historical complex in Chengdu, China. The ground paving in these alleys is typically made of traditional Chinese bricks, with intricate patterns and colors, reflecting the architectural style of Sichuan Province. The paving is not only functional but also contributes to the alley's aesthetic and cultural significance.