BBC joins retirees aboard one of China's 'silver trains'To play this video you need to enable JavaScript in your browser.This video can not be playedBBC joins retirees aboard one of China's 'silver trains'CloseMore on this story here.SubsectionAsiaPublished17 AprilShareclose panelShare pageCopy linkAbout sharingRelated topicsChinaFollow Chinaclose panelYou are now following ChinaUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description