What's the weather like now in Zhangjiakou, Hebei, and how many degrees? I go to Zhangjiakou from Shenzhen.

It's about 20 degrees during the day. At least wear long trousers and a coat if you are afraid of the cold. There is a great temperature difference between morning and evening here. If you want to go out at night, you must take your coat. Do not wear sandals. Wear single shoes or sneakers.

This is the city center. If you go to Bashang, it's not too much to wear long pants. It is already late autumn here. It is much colder than Shenzhen.