The mysterious Mirage, another wonder in Dunhuang City, often appears in the expansive Gobi of Dunhuang on the hot sunny days in summer. Especially at the two sides along the highway from Dunhuang to Yangguan Pass and Yumenguan Pass, mirages show up like “sea waves” surging turbulently, lofty “mountains and rivers”, well-balanced “buildings” and well-laid-out “cities”, looming indistinctly in the air. |