works of three-dimensional flower beds in a commercial street

Quick answer：

Three-dimensional flower beds in commercial streets are artistic installations that add aesthetic value to the urban landscape. They are typically constructed with a combination of flowers, greenery, and other decorative elements, designed to create a visually appealing and interactive space. These installations can be found in various forms, such as elevated beds, hanging baskets, or free-standing structures, and are often used for public displays or events.