With the help of the map, you can clearly see the geographical location and shape characteristics of the three northeastern provinces, among which Heilongjiang is located in the far north and has a clear border with Russia; Jilin is located in the middle and is famous for Changbai Mountain; Liaoning is the southernmost province, where the Liaodong Peninsula is located. The network of railways and highways runs through the three provinces, connecting major cities, making it convenient for people to travel and logistics.