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(190219) -- BEIJING, Feb. 19, 2019 (Xinhua) -- A participant prepares a hot air balloon during the 22nd Stuckli Balloonfiesta in Sattel-Hochstuckli, Switzerland, Feb. 17, 2019. The festival held on Sunday attracted many hot air balloon lovers and visitors to Sattel-Hochstuckli, a famous tourist destination. (Xinhua/Michele Limina)