![](https://static.dezeen.com/uploads/2016/05/east-point-park-bird-sanctuary-plant-architect-viewpoint-architecture-weathering-corten-steel-toronto-ontario-canada_dezeen_sq_1.jpg)
Bird-watching pavilions by Plant Architect are made from perforated plates of weathering steel
Plant Architect has used weathering steel to create a series of wing-like structures for bird watchers in a Toronto park, which are punctured with both patterns and information about local species (+ slideshow). More