Tree leaves turn colorful in autumn in Heishui County, Ngawa Tibetan and Qiang Autonomous Prefecture, Southwest China’s Sichuan Province. (Photo: China News Service/Zhong Xin)
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Tree leaves turn colorful in autumn in Heishui County, Ngawa Tibetan and Qiang Autonomous Prefecture, Southwest China’s Sichuan Province. (Photo: China News Service/Zhong Xin)