根据首字母提示完成短文。
Sanya, Harbin and Beijing are three c in China, and they are in different
places. They are quite f from each other. Sanya is in Hainan Province and
it's in the w place of China. Even in winter, it's about 15℃ in the daytime.
Harbin is in the n of China. It's cold in w . sometimes -30℃.
There is an Ice and Snow Festival that lasts six w . Beijing is not very
cold in winter. It's about -5℃. It doesn't o ram or snow. The p of hotel
rooms are quite different, too. In Beijing hotels usually cut t prices in
winter. About 200 yuan a night is e .