12 21 was the winter solstice of one of the Chinese lunar solar terms. With the snowfall beginning on the 20 day, Ji'nan, the capital of Shandong Province, changed the "silver dress" on the winter solstice. The picture shows the Ji'nan car "greet" the winter solstice snow. Li Xin 
12 month 21 is one of the Chinese lunar calendar, one of the winter solstice, with the beginning of the 20 day of the snow, Shandong provincial capital of Ji'nan on the winter solstice changed to "silver." The picture is Ji'nan Quancheng Square.