China Post releases stamps, souvenir sheet marking 40th anniv. of reform and opening up

A staff member shows the souvenir sheet marking the 40th anniversary of China's reform and opening up at the post office of Liaoning provincial archives in Shenyang, capital of northeast China's Liaoning Province, Dec. 18, 2018. China Post released a set of commemorative stamps and one souvenir sheet marking the 40th anniversary of China's reform and opening up on Tuesday. (Xinhua/Yang Qing)