picture of a three-dimensional flower bed

Quick answer：

A three-dimensional flower bed is a garden feature that utilizes raised structures to create an eye-catching display of flowers. These beds can be designed in various shapes and sizes, often incorporating geometric patterns or artistic motifs. They are commonly used in public parks, gardens, and as landscaping elements in residential areas. The pictures would showcase the unique design and arrangement of plants within the raised bed, emphasizing the creativity and aesthetics of the garden design.