Southwest. If the center of the South Pole is the South Pole, then the New Ross Sea Station is closer to the South Pole than the Great Wall Station, so the New Ross Sea Station is located on the south side of the Great Wall Station. The rotation direction of the earth in the southern hemisphere is clockwise, and the included angle formed by the longitude line between Xinluo Sea Station and Great Wall Station is less than 180 degrees. According to the method of "head east and tail west", Xinluoshai Station is located in the west of Great Wall Station, so Xinluoshai Station is located in the southwest of Great Wall Station.