In this combo photo, people buy goods at a shop in 1980s (up, photo taken by Liu Lijia), and people visit the Wanda Shopping Mall in Lhasa, southwest China's Tibet Autonomous Region, Aug. 15, 2021 (bottom, photo taken by Sun Fei). On May 23, 1951, the Agreement of the Central People's Government and the Local Government of Tibet on Measures for the Peaceful Liberation of Tibet (17-Article Agreement) was signed, officially proclaiming the peaceful liberation of Tibet. The year 2021 marks the 70th anniversary of the historic event. (Xinhua)
