The photo shows the Common Program of the Chinese People's Political Consultative Conference being passed by all the deputies at the first plenary session of Chinese People's Political Consultative Conference (CPPCC) in September 1949. From vote by a show of hands, vote by pressing the voting machine to the establishment of secret ballot booths and smart electronic ballot box, changes at the "two sessions" have witnessed the Chinese pursuit of democracy. [Photo/Xinhua]