Spectator stand tensioned membrane appearance

Quick answer：

The tensioned membrane appearance on a spectator stand refers to the architectural design feature where a membrane material is stretched and tensioned over a frame to create a shelter or canopy. This design is often used in modern sports facilities, providing flexibility, lightweight, and aesthetic appeal. The membrane material can be made from various materials such as ETFE (Ethylene Tetrafluoroethylene) or PTFE (Polytetrafluoroethylene).