Jingyuan is the name of a county in Ningxia, in the south of Ningxia. This person is probably in Jingyuan County. If you are close to him and want to know him, you can consider adding him; If the distance is far away, or you don't want to have further contact with him, don't add it. To exchange things about learning, you can find familiar people around you. In addition, if you have a family or lover, I suggest you not to join.