Visitors walk out of the Shenwu Gate of the Palace Museum in Beijing on Tuesday. Photo: VCG

Crowds of tourists climb the steps at the Longmen Grottoes on Tuesday in Luoyang, Henan province. On Monday, the popular destination announced that advance reservations were fully booked out and said crowd control measures would be implemented to manage the flow of people. Photo: VCG

Tourists throng the narrow Poyang Ancient Street in Jinhua, Zhejiang province on Monday. Photo: VCG

Massive crowds pack into the Shenyang Imperial Palace Museum on Tuesday in Shenyang, Liaoning province. Photo: IC Photo

A sea of people wander through Hongyadong in Chongqing on Monday. On Sunday and Monday, a number of A-level scenic spots across the city announced crowd control measures to manage the flow of visitors. Photo: VCG

Visitors hold up their cell phones to take photos of the artifacts on display at the Sanxingdui Museum on Monday in Guanghan, Sichuan province. Photo: VCG

Tourists walk across the Broken Bridge on the Bai Causeway on the West Lake on Wednesday in Hangzhou. Photo: VCG

Tourists pack onto a bridge at Dujiangyan on Sunday in Chengdu, Sichuan province. Photo: VCG

The carpark of the Unique Henan – Land of Dramas immersive theater complex in Zhengzhou is full on Sunday night. Photo: VCG