A visitor takes photos of a picture with her cellphone at the "Dream Seeker Footprint" photographic exhibition in Beijing, Sept. 29, 2014. The exhibition was held to celebrate the 65th anniversary of the founding of the People's Republic of China and the 35th anniversary of China's reform and opening up. (Xinhua/He Junchang)

Visitors look at a picture at the "Dream Seeker Footprint" photographic exhibition in Beijing, Sept. 29, 2014. The exhibition was held to celebrate the 65th anniversary of the founding of the People's Republic of China and the 35th anniversary of China's reform and opening up. (Xinhua/He Junchang)

Visitors look at photos at the "Dream Seeker Footprint" photographic exhibition in Beijing, Sept. 29, 2014. The exhibition was held to celebrate the 65th anniversary of the founding of the People's Republic of China and the 35th anniversary of China's reform and opening up. (Xinhua/Li Muzi)

Hu Zhenmin (C), a member of the Standing Committee of the Chinese People's Political Consultative Conference (CPPCC) National Committee, Li Qianguang (L), vice chairman of China Federation of Literary and Art Circles, and Wang Yao, chairman of China Photographers Association, press the ball to start the "Dream Seeker Footprint" photographic exhibition in Beijing, Sept. 29, 2014. The exhibition was held to celebrate the 65th anniversary of the founding of the People's Republic of China and the 35th anniversary of China's reform and opening up. (Xinhua/Li Muzi)

Visitors look at a photo at the "Dream Seeker Footprint" photographic exhibition in Beijing, Sept. 29, 2014. The exhibition was held to celebrate the 65th anniversary of the founding of the People's Republic of China and the 35th anniversary of China's reform and opening up. (Xinhua/Li Muzi)