My Life Beautiful Night 2

Last night a strong wind, the temperature suddenly cold, the wind com, the fog go , fine weather, put on a down jacket, yesterday Lushan have the snow, if the big snow, I will take you to see, This is the evening shot in the lake a few landscape, although this tower is pirated buildings, night view is still very beautiful, the winter night is always too early, the day was dark.
Why the winter will be cold, summer will be hot, dark winter to early, dark in the summer to be late. This problem many people may not have studied, I really understand the problem is that many years ago I made a software, the world clock