Guests try the costumes of Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday. (Photos: Xinhua)

A child tries the costumes of Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

An artist plays Jinghu, or Peking Opera fiddle, on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

Guests try the costumes of Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

Guests try the costumes of Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

A child tries a prop for Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

An artist demonstrates Peking Opera somersault skill on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

A child watches Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

A guest tries the costumes of Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

Artists perform Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

Artists perform Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.

Artists perform Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast China's Liaoning Province, July 1, 2019. Guests of the Summer Davos, which is held here from July 1 to 3, were invited to experience the art of Peking Opera on Monday.