Photo taken on May 28, 2019 shows the opening ceremony of the 5th innovation week themed on internet and education in Beijing, capital of China. (Xinhua/Liu Lianfen)

Chu Hongqi, president of Beijing Open University, speaks at the opening ceremony of the 5th innovation week themed on internet and education in Beijing, capital of China, May 28, 2019. (Xinhua/Liu Lianfen)

Photo taken on May 28, 2019 shows the opening ceremony of the 5th innovation week themed on internet and education in Beijing, capital of China. (Xinhua/Liu Lianfen)

Delegates attend the opening ceremony of the 5th innovation week themed on internet and education in Beijing, capital of China, May 28, 2019. (Xinhua/Liu Lianfen)