People tour a street in Macao, south China, during the National Day holiday, Oct 2, 2019. (Photos: Xinhua)

People visit the Largo Do Senado during the National Day holiday in Macao, south China, Oct 2, 2019.

People visit the Temple of Heaven during the National Day holiday in Beijing, capital of China, Oct. 2, 2019.

People take selfies in front of the Ruins of St. Paul's during the National Day holiday in Macao, south China, Oct 2, 2019.

People visit the Ruins of St. Paul's during the National Day holiday in Macao, south China, Oct 2, 2019.

People visit the Temple of Heaven during the National Day holiday in Beijing, capital of China, Oct. 2, 2019.

People visit Heqiao ancient town during the National Day holiday in Hangzhou, east China's Zhejiang Province, Oct. 2, 2019.

People visit the Temple of Heaven during the National Day holiday in Beijing, capital of China, Oct. 2, 2019.

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.

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.

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.