Photo taken on May 25, 2018 shows tulips in snow at the Jiangbulake scenery spot in Qitai County, northwest China's Xinjiang Uyghur Autonomous Region, May 25, 2018. (Xinhua/Gao Jing)

An animal sample maker decorates a Siberian tiger sample at the Fujian Museum in Fuzhou, capital of southeast China's Fujian Province, May 22, 2018. (Xinhua/Wei Peiquan)

An enthusiast goes bungee jumping from Zhangjiajie Grand Canyon's glass-bottom bridge, during a challenge in Zhangjiajie, central China's Hunan Province, May 26, 2018. (Xinhua/Yan Yuan)

Musicians perform during a sky concert at the Tianmenshan scenic spot of Zhangjiajie, central China's Hunan Province, May 25, 2018. (Xinhua/Zhou Guoqiang)

A staff member of China's Visionox shows Bi-Directional Foldable Single-Axis Display during SID Display Week 2018 in Los Angeles, the United States, May 23, 2018. (Xinhua/Li Ying)

A giant panda cub makes the first public appearance at the Malaysian national zoo near Kuala Lumpur May 26, 2018. (Xinhua/Zhu Wei)

Photo taken on May 21, 2018 shows a lotus flower in Liuzhou, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Li Hanchi)

Two dressed up pet dogs are displayed by a model on stage during the fashion show of the 2018 Woofstock at the Woodbine Park in Toronto, Canada, May 26, 2018. (Xinhua/Zou Zheng)

Holes caused by bullets and airstrikes are seen on the ceiling of a destroyed church in the war-torn Marawi City, the Philippines, May 22, 2018. (Xinhua/Rouelle Umali)

Top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un (L) hugs South Korean President Moon Jae-in during their meeting on the DPRK side of the border village of Panmunjom May 26, 2018. (Xinhua)

A model poses for a picture at the RHS Chelsea Flower Show in the grounds of the Royal Hospital Chelsea in London, Britain, on May 21, 2018. (Xinhua/Tim Ireland)

Aerial photo taken on May 19, 2018 shows a scene of Diaolongzui Village at the foot of the Laoshan Mountain in Qingdao, east China's Shandong Province. (Xinhua/Guo Xulei)

Jury member Lea Seydoux (L) is seen at the 71st Cannes Film Festival in Cannes, France, May 19, 2018. (Xinhua/Luo Huanhuan)

GEICO Skytypers team performs during the 15th Bethpage Air Show over the Jones Beach in New York, the United States, on May 26, 2018. (Xinhua/Li Rui)