Performers dance during the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Wang Ye)

Performers attend the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Wang Ye)

Performers dance during the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Pang Xinglei)

Performers sing during the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Wang Ye)

Performers attend the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Ding Lin)

Performers attend the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Wang Ye)

Performers dance during the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Pang Xinglei)

Performers sing during the Millennial Road, a performance for the Belt and Road Forum for International Cooperation, at the National Center for the Performing Arts in Beijing, capital of Beijing, May 14, 2017. (Xinhua/Ding Lin)