![](https://static.dezeen.com/uploads/2015/03/Sarajevo-Bridge-in-Barcelona-by-BCQ-Arquitectes_dezeen_SQ01.jpg)
Barcelona bridge to be upgraded with smog-eating concrete and luminous pavements
Spanish architecture studio BCQ has revealed its plans to enhance a Barcelona bridge, adding pollution-dissolving concrete, planted walls and paving that glows in the dark. More