China vows to serve as world's stabilizing forceU.S. urged to stop harassing, interrogating Chinese students entering countryWang urges UK to take ties back on trackXi stresses promoting equipment renewal, tradeXi says ready to join president of the Republic of the Congo for stronger strategic partnership50 city volunteer service stations for the Chengdu 2021 FISU Games went liveSouth China theater festival to showcase outstanding classicsNew hypersonic wind tunnel 'most advanced in world'Protection efforts lift crested ibis populationChina to launch construction, expansion of major cultural facilities