[InKunming--China] Tourists view flowers while taking boat on the West Lake in Hangzhou, east China's Zhejiang Province, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Long Wei)

Tourists take photos at an orchard with blossoming pear trees in Mamuchi Township of Yinan County, east China's Shandong Province, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Du Yubao)

Tourists take photos of cherry blossoms at Binjiang Park in Shiyan, central China's Hubei Province, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Cao Zhonghong)

People look at blooming flowers at Huaihua University in Huaihua, central China's Hunan Province, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Chai Junlin)

Tourists visit the Yuan Dynasty Capital City Wall Site Park in Beijing, capital of China, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Liu Xianguo)

Tourists take a walk under cherry blossoms at Nanshan Park in Lianxi District of Jiujiang, east China's Jiangxi Province, March 31, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Zhang Haiyan)

Tourists visit an orchard with flowering pear trees in Huangping Village of Jiaoyuan Township, Xuan'en County, central China's Hubei Province, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Wang Jun)

A tourist takes photos of peach blossoms in Fujia Village of Qingzhou in Weifang, east China's Shandong Province, April 1, 2019. As spring comes, people in many places of China start to spend their leisure time outdoors. (Xinhua/Wang Jilin)