摘要
Around 12 million tickets for next year＇s Expo have been sold by December 20 since March, beating this year＇s 10 million larger expected by the organizer. About 90 percent of sales come from Yangtze River Delta cities, Chen Xianjin, deputy director general of the Bureau of Shanghai World Expo Coordination. revealed on December 20. The della region comprises Shanghai and neighboring Jiangsu and Zhejiang provinces.
