New hypersonic wind tunnel 'most advanced in world'Xi sends congratulatory message to 37th AU SummitAcross China: Chinese people pay tributes to legendary ancestorAcross China: Exhibition unveils rare masterpiece by ancient Chinese artistAntique book archive inaugurated in BeijingXi Presents Order to Promote Military Officers to Rank of GeneralXi encourages more U.S. youths to visit ChinaXi sends congratulatory message to 37th AU SummitVon der Leyen makes bid for 2nd EU termObjection to cease