Xi encourages more U.S. youths to visit ChinaRecord hot days seen this yearProtection efforts lift crested ibis populationU.S. urged to stop mistreatment of Chinese studentsXi Meets U.S. GuestsBook of Xi's Discourses on Financial Work PublishedNation to advance pilot FTZs' openingNew hypersonic wind tunnel 'most advanced in world'Top HK official vows to advance Article 23 legislation at full speedForum highlights structural reforms