Three-dimensional square-circular flower bed in reality

Quick answer：

The three-dimensional square-circular flower bed is a landscape design element that combines the geometric shapes of a square and a circle. It is an outdoor garden feature that aims to create a visually appealing and unique space. Such flower beds are often used in gardens, parks, or residential landscapes to enhance the aesthetics and provide a designated area for planting flowers and other plants. They can be constructed using various materials such as concrete, bricks, or stone, and may incorporate different design features like steps, benches, or water features.