A tourist walks among peony flowers in Caojiaping Village of Lintao County, northwest China's Gansu Province, May 11, 2013. The blooming peony flowers attracted lots of tourists to visit. (Xinhua/Nie Jianjiang)

A villager takes a rest among peony flowers in Caojiaping Village of Lintao County, northwest China's Gansu Province, May 11, 2013. The blooming peony flowers attracted lots of tourists to visit. (Xinhua/Nie Jianjiang)

A visitor poses for photo with peony flowers in Caojiaping Village of Lintao County, northwest China's Gansu Province, May 11, 2013. The blooming peony flowers attracted lots of tourists to visit. (Xinhua/Nie Jianjiang)

Visitors take photo of peony flowers in Caojiaping Village of Lintao County, northwest China's Gansu Province, May 11, 2013. The blooming peony flowers attracted lots of tourists to visit. (Xinhua/Nie Jianjiang)