حديقة غيزي
Kalyon Group is a Turkish conglomerate, with major interests in construction. In 2013 it was part of a joint venture which won the EUR 22 billion contract to construct a third international airport in Istanbul. Other contracts include Istanbul's Metrobus system, the construction of a new stadium for İstanbul Büyükşehir Belediyesi S.K., and the redevelopment of Taksim Gezi Park to reconstruct the Taksim Military Barracks.