Do people in Twin Cities need to be isolated everywhere they go?

It is not allowed to be a municipal district of Harbin in Shuangcheng District, which is located in the southwest of Harbin, Heilongjiang Province. People in the same city do not need to be isolated, so they should contact the community (village) they want to go to for the record three days in advance. You must obtain a negative nucleic acid test certificate within 48 hours and pass the green code of health code. Located in the abdomen of Songnen Plain and the south bank of Songhua River, the terrain is high in the east and low in the west. The geographical coordinates are 125 4 1' to 126 42' and 45 08' to 45 43' north latitude, with a total area of 3 1 12 square kilometers.