Hot air balloons fly over the valley in Cappadocia, Turkey, July 9, 2012. UNESCO listed the unique area of Goreme-Cappadocia as both a cultural and natural World Heritage Site in 1985.[Photo/Xinhua]

Photo taken on July 9, 2012 shows a general view of the rock cave site in Cappadocia, Turkey. UNESCO listed the unique area of Goreme-Cappadocia as both a cultural and natural World Heritage Site in 1985.[Photo/Xinhua]