Shi Hailin, a slackliner performs at the 500-meter-high glass bridge in Huangteng Gorge, Qingyuan city, South China's Guangdong Province on July 19, 2020. (Photo: China News Service/ Chen Jiwen)

Shi Hailin, a slackliner performs at the 500-meter-high glass bridge in Huangteng Gorge, Qingyuan city, South China's Guangdong Province on July 19, 2020. (Photo: China News Service/ Chen Jiwen)

Shi Hailin, a slackliner performs at the 500-meter-high glass bridge in Huangteng Gorge, Qingyuan city, South China's Guangdong Province on July 19, 2020. (Photo: China News Service/ Chen Jiwen)

Shi Hailin, a slackliner performs at the 500-meter-high glass bridge in Huangteng Gorge, Qingyuan city, South China's Guangdong Province on July 19, 2020. (Photo: China News Service/ Chen Jiwen)