
People tour a street in Macao, south China, during the National Day holiday, Oct 2, 2019. (Xinhua/Cheong Kam Ka)

People visit the Largo Do Senado during the National Day holiday in Macao, south China, Oct 2, 2019. (Xinhua/Cheong Kam Ka)

People visit the Ruins of St. Paul's during the National Day holiday in Macao, south China, Oct 2, 2019. (Xinhua/Cheong Kam Ka)

People take selfies in front of the Ruins of St. Paul's during the National Day holiday in Macao, south China, Oct 2, 2019. (Xinhua/Cheong Kam Ka)

People visit the Temple of Heaven during the National Day holiday in Beijing, capital of China, Oct. 2, 2019. (Xinhua/Li Xin)

People visit the Temple of Heaven during the National Day holiday in Beijing, capital of China, Oct. 2, 2019. (Xinhua/Li Xin)

People visit the Temple of Heaven during the National Day holiday in Beijing, capital of China, Oct. 2, 2019. (Xinhua/Li Xin)

People visit Heqiao ancient town during the National Day holiday in Hangzhou, east China's Zhejiang Province, Oct. 2, 2019. (Xinhua/Xu Yu)

Tourists take a hot air balloon ride in Fuzhou, southeast China's Fujian Province, Oct. 2, 2019, the second day of the 7-day-long National Day holiday. (Xinhua/Lin Shanchuan)

People visit Fenghuang ancient town in Fenghuang County, central China's Hunan Province, Oct. 2 2019, the second day of the 7-day-long National Day holiday. (Xinhua/Chen Sihan)

Visitors watch performance at the Longmen ancient town at Fuyang District in Hangzhou, east China's Zhejiang Province, Oct. 2, 2019, the second day of the 7-day-long National Day holiday. (Xinhua/Xu Yu)

Aerial photo shows people visiting the Longmen ancient town at Fuyang District in Hangzhou, east China's Zhejiang Province, on Oct. 2, 2019, the second day of the 7-day-long National Day holiday. (Xinhua/Xu Yu)

People take part in a butterfly releasing activity at Shanghai Zoo in east China's Shanghai, Oct. 2, 2019, the second day of the 7-day-long National Day holiday. (Xinhua/Zhang Jiansong)