What North-South differences have you experienced?

In the north, dialects are not difficult to understand, but there are some tone sandhi compared with Mandarin. Listen to southerners speak dialect: "@ #! ? % & amp* ... ",basically don't understand, it is said that across a river in Zhejiang can't understand each other's dialect. Take a bath in the north, especially in winter. Be sure to take a bath in the bathhouse. Shout "rub your back!" when you get wet. " ; In the south, it is almost impossible to produce bibs, and it is difficult to find bathhouses. Bathing is at home, taking a bath every day. At this point, northerners and southerners can't understand each other. For the north, getting married at night is equivalent to getting married for the second time, and the south thinks they will have time to attend the wedding at night. The north is dry and cold, and the room has heating. It is MINUS 20+ degrees when you go out of the door. If you are directly exposed to the outside body parts, it will freeze and hurt. The south is wet and cold, and there is no heating. It often rains in winter, and it is colder indoors than outdoors. How many clothes you wear will make you feel chilly, especially when you get up in the morning. Northerners say that winter in the south is worse than winter in the north. For southerners, it is the best snack for Xiancao to cool off in summer, but for northerners, Xiancao is not common and generally not authentic.