![](https://static.dezeen.com/uploads/2018/06/volcano-eyes-architecture-news-turkey-viewpoints_dezeen_sq-1-411x411.jpg)
Winning concepts revealed in competition to design observation deck on Turkish volcano
A helium balloon tethered to a cantilevered track is among the winners in a competition to design a conceptual observation deck to overlook a volcano's crater in eastern Turkey. More