A Chinese employee shows a sheet of stamps commemorating the 18th Shanghai Cooperation Organization (SCO) summit at a China Post Office in Qinhuangdao

- Image ID: W6AG59
A Chinese employee shows a sheet of stamps commemorating the 18th Shanghai Cooperation Organization (SCO) summit at a China Post Office in Qinhuangdao
Imaginechina Limited / Alamy Stock Photo
Image ID: W6AG59
A Chinese employee shows a sheet of stamps commemorating the 18th Shanghai Cooperation Organization (SCO) summit at a China Post Office in Qinhuangdao city, north China's Hebei province, 8 June 2018. China Post issued a commemorative stamp on Saturday (9 June 2018) to mark the 18th SCO summit.