Riders perform the horse racing at the opening ceremony of Shambhala Tourism Festival in Gannan, northwest China's Gansu Province, July 17, 2016. The 17th Gannan Shambhala Tourism Festival kicked off at Dangzhou Grassland in Gannan Tibetan Autonomous Prefecture on Sunday. Shambhala, also known as "Shangri-la," means paradise in the Tibetan language. The festival aims to display the unique folk customs and culture of Tibetan ethnic group in Gansu. (Xinhua/Chen Bin)