An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily) 

An array of bean geese and Eurasian spoonbill rest and forage on Duogan Isle of Nanxian County in the Dongting Lake Natural Reserve on December 1. As winter begins, a large number of migratory birds have flied to the Dongting Lake Area. Duogan Isle is located in the core area of the South Dongting Lake Wetland, which is an important transit and inhabitation place for migratory birds. More than 10,000 migratory birds inhabit or rest here every year. The birds, flying in flocks or resting in queue, form a spectacular scenery. (Photo/Gu Pengbo, Hunan Daily)