A couple poses for wedding photos on the square of the Potala Palace during the National Day holiday in Lhasa, capital of Southwest China's Tibet autonomous region, Oct 6, 2019. (Photos: Xinhua)

Tourists visit Xining Panda House during the National Day holiday in Xining, capital of Northwest China's Qinghai province, Oct 6, 2019.

A tourist picks apples at an orchard during the National Day holiday in Xixinzhuang village of Yanggezhuang township in Qian'an city, North China's Hebei province, Oct 6, 2019.

Aerial photo taken on Oct 6, 2019 shows tourists viewing pink muhly grass in the Fenghuanggou scenic area during the National Day holiday in Nanchang, capital of East China's Jiangxi province.

People read books at Jihe Bookstore during the National Day holiday in Nanchang, capital of East China's Jiangxi province, Oct 5, 2019.

Tourists visit the Chengde Mountain Resort during the National Day holiday in Chengde city, North China's Hebei province, Oct 5, 2019. [Photo/Xinhua]

A boy plays table tennis at Shaanxi province Stadium during the National Day holiday in Xi'an, capital of Northwest China's Shaanxi province, Oct 6, 2019. [Photo/Xinhua]

Visitors view a fan with a peony illustration displayed at an exhibition featuring peony paintings, during the National Day holiday in Fuzhou, capital of East China's Fujian province, Oct 6, 2019. [Photo/Xinhua]

A visitor takes pictures of an exhibit during an exhibition featuring peony paintings, during the National Day holiday in Fuzhou, capital of East China's Fujian province, Oct 6, 2019. [Photo/Xinhua]

Tourists try rock climbing at Hainan Baishiling Tourism Scenic Area during the National Day holiday in Qionghai, South China's Hainan province, Oct 6, 2019. [Photo/Xinhua]