Visitors look at pandas in the Shijiazhuang Zoo, Shijiazhuang, North China’s Hebei province, on Sunday. Photo: IC photo

Parents carry their kids while walking among the crowd in West Lake, Hangzhou, East China’s Zhejiang province, on Sunday. Photo: VCG

Visitors view the Hukou Waterfall of Yellow River in Linfen, North China’s Shanxi province, on Sunday. Photo: VCG

The Longmen Grottoes in Luoyang, Central China’s Henan province, attract a large number of visitors on Monday. Photo: VCG

Dashilan, a traditional commercial street in Beijing, is packed with visitors on Sunday. Photo: VCG

Visitors view the nighttime skyline at Qiansimen Bridge in Chongqing municipality on Saturday, May 1, known officially as International Workers’ Day. Photo: VCG

Scores of visitors flock to Shaolin Monastery in Dengfeng, Henan province, on Sunday. Photo: VCG

Crowds pass through City Wall of Xi’an, Northwest China’s Shaanxi province, on Monday. Photo: IC photo

The Great Wall in Beijing draws a multitude of visitors on Saturday. Photo: VCG

Visitors view the flag-lowering ritual at Tiananmen Square in Beijing on Saturday. Photo: VCG