Circular planting tree pit example

Quick answer：

A circular planting tree pit is a design feature that incorporates a circular depression in the ground, specifically designed for planting trees. These pits are typically found in urban landscapes, parks, and gardens, and they offer several benefits such as providing ample space for root growth and improving soil quality. The size and depth of the pit can vary depending on the tree species and the desired growth. Circular tree pits also contribute to the aesthetic appeal of an area and can be incorporated into various landscape designs.