An aerial drone photo taken on Oct. 7, 2026 shows white-naped cranes and hooded cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
A drone photo taken on Oct. 2, 2026 shows white-naped cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
A drone photo taken on Oct. 16, 2026 shows birds flying at sunrise at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Chen Zhiguo/Xinhua)
A drone photo taken on Oct. 15, 2026 shows red-crowned cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
A drone photo taken on Oct. 16, 2026 shows oriental white storks and red-crowned cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
A drone photo taken on Oct. 2, 2026 shows water birds at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
An aerial drone photo taken on Oct. 2, 2026 shows white-naped cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
An aerial drone photo taken on Oct. 15, 2026 shows red-crowned cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Qu Yubao/Xinhua)
A drone photo taken on Oct. 16, 2026 shows hooded cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Chen Zhiguo/Xinhua)
A drone photo taken on Oct. 16, 2026 shows red-crowned cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Chen Zhiguo/Xinhua)
A drone photo taken on Oct. 16, 2026 shows red-crowned cranes at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Geng Xiqing/Xinhua)
An aerial drone photo taken on Oct. 16, 2026 shows the scenery at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Geng Xiqing/Xinhua)
A drone photo taken on Oct. 16, 2026 shows oriental white storks at the Sanhuanpao National Nature Reserve in Fujin City, northeast China's Heilongjiang Province. Migrant birds in the nature reserve rest and gather before their migration to the south. (Photo by Chen Zhiguo/Xinhua)
