A flying pig entertains crowds at the Queensland Royal Exhibition Show, known locally as the EKKA, in Brisbane, Australia, August 13, 2018. (Photo: VCG)

Medical staff prepare for an operation at the ICU of the emergency department in Sichuan Provincial People’s Hospital on Aug. 15 ahead of China’s first Medical Workers' Day, August 18, 2018. (Photo: VCG/Liu Haiyun)

Fireworks light up the sky over the Gelora Bung Karno main stadium during the opening ceremony of the 2018 Asian Games in Jakarta, August 18, 2018. (Photo: Aditya Irawan, Dasril Roszandi /NurPhoto via Getty Images)

A view of the collapsed Morandi highway bridge in Genoa, Italy, August 14, 2018. A large section of the bridge collapsed over an industrial area during a sudden and violent storm, leading to 42 deaths. (Photo: Reuters)

Photo taken on August 17, 2018 shows the Flower Carpet at the Grand Place in Brussels, Belgium which is dedicated to Guanajuato, a Mexican region with a rich floral culture and tradition. (Photo: Xinhua/Zheng Huansong)

Soldiers goose-step at a peace assembly held in the Nanjing Massacre Victim's Memorial Hall, China, on August 15, 2018, to commemorate the 73rd anniversary of Japan's unconditional surrender in World War II. Delegates from different countries honor the victims. (Photo: VCG)

A crowd watches drones performance at the Orange Isle scenic area in Changsha, central China's Hunan Province, August 16, 2018, to greet the forthcoming Chinese Valentine’s Day. (Photo: Xinhua)

Four irrigation systems in China, Dujiangyan, Lingqu, Jiangxiyan and Changqu are added as world heritage sites for irrigation and drainage on the 69th International Executive Council Meeting of the International Commission on Irrigation and Drainage in Saskatoon, Saskatchewan, Canada, August 13, 2018. (Photo: VCG)

Schoolgirls hold rainbow-colored umbrellas as they perform during India's Independence Day celebrations in Agartala, India, August 15, 2018. (Photo: VCG)

Local Dongs set up a 200-meter-long table to celebrate the annual New Rice Festival in Yin Tan Village, Congjiang County in Guizhou province, August 17, 2018. (Photo: Xinhua)

A life-sized robot likeness of Chinese basketball star Yao Ming play hoops during the World Robot Conference in Beijing on August 15, 2018. (Photo: IC)

An aerial photo taken on August 15, 2018 shows a lotus pond in Zhuqiao Village, Jinxi County, China's Jiangxi Province. (Photo: Xinhua)