Just after the Dragon Boat Festival holiday, the popularity of second - and third-tier "hot search cities" such as Zibo, Yanbian and Quanzhou on social media has not waned. Qingdao, Nanjing and Shijiazhuang,Just after the Dragon Boat Festival holiday, the popularity of second - and third-tier "hot search cities" such as Zibo, Yanbian and Quanzhou on social media has not waned. Qingdao, Nanjing and ShijiazhuangJust after the Dragon Boat Festival holiday, the popularity of second - and third-tier "hot search cities" such as Zibo, Yanbian and Quanzhou on social media has not waned. Qingdao, Nanjing and Shijiazhuang