Aerial photo taken on May 17, 2019 shows the Hengli Petrochemical (Changxing Island) Industrial Park in Dalian, northeast China's Liaoning Province. The 2019 Summer Davos Forum is held from July 1-3 in northeast China's coastal city of Dalian. Established by the World Economic Forum in 2007, the forum is held annually in China, alternating between the two port cities of Dalian and Tianjin. Summer Davos has been reshaping the landscape of Dalian's regional economy and strengthening the port's trade with other markets. Dalian has become an international city and a showpiece of China's reform and opening up. (Xinhua/Pan Yulong)