Photo shows a number of migratory birds inhabiting on the lake of Dzongyab Lukhang Park in Lhasa, capital of southwest China's Tibet Autonomous Region. [China Tibet News/Jiang Gai, Kaldron]

In recent years, aiming at thoroughly implementing the idea of ecological civilization, vigorously fulfilling the strategy of environmental protection, Lhasa has constantly governed and restored ecological environment and built an ecological civilization city. At present, Dzongyab Lukhang Park, Lhalu Wetland, Lhasa River have become ideal habitats for swans, wild geese and so on in winter.