Castle of Vooruit is an outdoor balloon installation created by Kurdish-Turkish artist Ahmet Ogut of a gigantic boulder (8 meters in diameter) and a replica of the Belgian landmark and historic arts center Vooruit on its top, all floating at a height of 11 meters above the ground. Unmistakably reminiscent of Belgian painter Rene Magritte's surreal work La Chateau des Pyrenees, Ogut's helium-filled artwork was first revealed earlier this year during the TRACK art festival in May.