As spring returns to earth, the first flocks of grey herons return to their favorite habitat at Wazigou scenic area in northeast China's Liaoning Province.
Thousands of grey herons migrate to the region in March, planning to build nests and reproduce here after their wintering days in southern China.
More about the grey heron in north China's Shanxi Province:
Journeys in Nature: Yellow River Series | Episode 4: Cliff Denizens
(All photos via CFP.)