Weathering steel – often known by the brand name Corten – continues to remain popular with architects. The pre-rusted metal, which is created when chemicals are used to speed up the oxidisation process, has recently been used to clad a Brisbane community centre and a mountaintop family retreat. The rust forms a weatherproof layer of protection. See all our stories about weathering steel »
![Centro Multiusos de Lamego by Barbosa Guimaraes](https://static.dezeen.com/uploads/2015/07/dezeen_Centro-Multiusos-de-Lamego-by-Barbosa-Guimaraes_21.jpg)