The fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top political advisory body, opens at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

The fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top political advisory body, opens at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

The fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top political advisory body, opens at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

The fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top political advisory body, opens at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

The fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top political advisory body, opens at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

Du Qinglin presides over the opening meeting of the fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference at the Great Hall of the People in Beijing, capital of China, March 3, 2017. The fifth session of the 12th CPPCC National Committee opened in Beijing on March 3. [Photo/Xinhua]

The fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top political advisory body, opens at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

Members of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC) sing national anthem during the opening meeting of the fifth session of the 12th CPPCC National Committee at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

Foreign ambassadors and diplomats attend the opening meeting of the fifth session of the 12th National Committee of the Chinese People's Political Consultative Conference at the Great Hall of the People in Beijing, capital of China, March 3, 2017. [Photo/Xinhua]

China's top political advisory body started its annual session Friday in Beijing, ushering in a political high season that will continue with the opening of the country's top legislature Sunday.

Yu Zhengsheng, chairman of the Chinese People's Political Consultative Conference National Committee, delivered a work report to more than 2,000 political advisors who gathered to discuss major political, economic and social issues in the world's most populous nation and second-largest economy.

Top Communist Party of China and state leaders Xi Jinping, Li Keqiang, Zhang Dejiang, Liu Yunshan, Wang Qishan and Zhang Gaoli attended the opening meeting at the Great Hall of the People.