CENTRAL JAVA, July 1, 2019 (Xinhua) -- Mount Merapi spews hot lava and ash as seen from Gondang Balerante in Klaten, Central Java province, Indonesia, July 1, 2019.

DALIAN, July 1, 2019 (Xinhua) -- Artists perform Peking Opera on the sidelines of the Annual Meeting of the New Champions 2019, also known as Summer Davos, in Dalian, northeast Chinas 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.