【彩神APP是真是假单双_彩神APP是真是假单双官网】Major exhibition on China's reform, opening

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BEIJING, March 20 (Xinhua) -- A grand exhibition to commemorate the 40th anniversary of China's reform and opening-up concluded Wednesday, after receiving 4.2 million visits.

On-site visitors wrote 3.2 million Chinese characters of comments during their visits, and a digital version of the exhibition received more than 200 million visits, according to the organizer.

The exhibition, which opened at the National Museum in Beijing last November, used historical photos, text, video, miniature models and interactive activities to show China's achievements over the past 40 years.