Shanghai is back. The way to collect the monument is: Shanghai is back. This activity is a public welfare activity initiated by a new generation of China Tea Emperor Boer Tea Treasure to pay tribute to the Shanghai people. Shanghainese can get it for free as long as they participate in the activities through the official channel of Duport Tea Treasure during June 25th-July 10. A box of six-pack Duport tea treasures is also sent with the cup.