'Unacceptable' for US to cite China in leaving missile treaty China turns 36 archaeological sites into state parks How people celebrate Double Ninth Festival in China When traditions offer livelihood Shanghai Museum claims finding Chinese ceramic in Lankan ruins Double Ninth Festival sees changes over the years Double Ninth Festival: Respect the elderly The nuts & bolts of memory Players relive moments of 'ping-pong diplomacy' Tibetan elders observe joyful festival Advanced technology brings ancient murals home US university program helps build relationships with Chinese students Cultural relics displayed at Sichuan Museum in Chengdu Singapore urges more dialogue on US-China trade dispute Miao culture celebrated at Beijing art show Ukraine's cultural traditions introduced to Beijing audience US stocks plunge, Trump announces new tariffs on China Students from 2008 quake region reunite Trade strife seen as threat to relations