装置艺术楼梯

Quick answer：

Installations art stairs refer to a type of sculptural art that incorporates staircases into its design. These staircases can be found in public spaces, galleries, and art installations. They are often used to challenge the viewer's perspective, create a sense of scale, or serve as a functional element within the artwork. Artists like Yayoi Kusama and Olafur Eliasson have created notable installations involving stairs.