the center of a previous standoff. a foreign ministry spokesperson confirmed the rig had been moved to waters outside the gulf, an area where the country's continental shelves overlap. the ministry asked china not to use the rig to drill and to move it from the area. in 2014 crews on vessels from both sides crashed repeatedly near the islands. analysts say the government is nervous about china's maritime activities. the communist party convention will open on thursday to decide national policy for the next five year. china considers most of the south china sea to be its sovereign territory. other countries and territories have similar claims there. >>> china's ambassador to japan says his country plants to built civilian facilities on its artificial islands in the waters. ambassador said china's reclaimuation project are to protect its sovereignty and said the philippines and other countries have carried out construction projs in the area. he talked about chinese test flights carried out using a run way on the island. said the flights were in accordance with international law using civilian aircraft and added the air field will be used for rescue operations and plans to build facilities for