Chinese Premier Wen Jiabao speaks during a press conference after the closing meeting of the Fifth Session of the 11th National People's Congress (NPC) at the Great Hall of the People in Beijing, capital of China, March 14, 2012. (Xinhua/Chen Jianli)

Tragedies like the Cultural Revolution may happen to China again if the country failed to push political reform to uproot problems occuring in the society, Premier Wen Jiabao told a press conference here on Wednesday after the conclusion of the annual parliamentary session.