This photo shows Liao Fei's video work "A Transitory Vacuum Sculpture" on display at the UCCA Center for Contemporary Art in Beijing, July 7, 2025. In the piece, a line of toilet plungers gradually collapses, parodying the modernist ideal of the infinite column. With subtle wit, Liao questions the limits of lasting materials and human ambition. [Photo by Liu Ziying/China.org.cn]