Photo taken on Sept 20, 2017 shows the autumn scenery in Huma county, Northeast China’s Heilongjiang province. [Photo/Xinhua]

Photo taken on Sept 20, 2017 shows the autumn scenery in Huma county, Northeast China’s Heilongjiang province. [Photo/Xinhua]

Photo taken on Sept 21, 2017 shows the sunrise on the Huma section of Heilongjiang River in Northeast China’s Heilongjiang province.[Photo/Xinhua]

Photo taken on Sept 20, 2017 shows the autumn scenery in Huma county, Northeast China’s Heilongjiang province. [Photo/Xinhua]

Photo taken on Sept 21, 2017 shows red leaves in Huma county, Northeast China’s Heilongjiang province.[Photo/Xinhua]