As temperatures start their steady climb, the surface of a river, which had been frozen all winter, has thawed, Shenyang city, Liaoning province, Feb 8, 2017. Wild ducks frolic on the water. An old Chinese saying goes:"The duck knows first when the river becomes warm in spring", which acknowledges the animal's acuteness in predicting warm weather.[Photo by Huang Jinkun/Asianewsphoto]