Actors view peony flowers during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Cao Fuchuan)

People enjoy peony flowers during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Huang Zhengwei)

Actors chant poetry during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Cao Fuchuan)

People enjoy peony flowers during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Huang Zhengwei)

Actors view peony flowers during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Li Shubao)

People enjoy peony flowers during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Huang Zhengwei)

People paint during the Peony Cultural Festival in Luoyang, central China's Henan Province, April 1, 2016. The 34th Luoyang Peony Cultural Festival opened here on Friday. (Xinhua/Huang Zhengwei)