FM highlights positive signs in EU relationsXi stresses enhancing guarantee ability of land element for highXi sends congratulatory message to 37th AU SummitChina, Republic of Congo mark 60th anniversary of tiesChinese, Dominican Presidents Exchange Congratulations on 20th Anniversary of Diplomatic TiesLegislation advances wholeChinese vice president addresses civilization and sinology forumU.S. urged to stop mistreatment of Chinese studentsXi Meets U.S. GuestsG20 not a platform for resolving geopolitical struggles and security issues: Chinese FM