Kids participate in music games during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

Photo taken on Aug. 24, 2019 shows the 2019 Midi Rock Night in Qingdao, east China's Shandong Province. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

Fans are seen on the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

Artists perform during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

A fan dances during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

Artists perform during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

An artist performs during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

An artist performs during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

An artist performs during the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)

Fans are seen on the 2019 Midi Rock Night in Qingdao, east China's Shandong Province, Aug. 24, 2019. The 5th Tiantaishan Music Festival, which opened on July. 13, 2019, closed here on Saturday. (Xinhua/Jin Liangkuai)