
Peonies are seen in full blossom near an ancient building at a garden in Luoyang, capital of central China's Henan Province, April 10, 2012. Peonies of over 1,200 categories will gradually reach the flowering stage this month in Luoyang, a city famous for the peonies. (Xinhua/Wang Song)

Combo photo taken on April 10, 2012 shows peonies in full blossom at a garden in Luoyang, capital of central China's Henan Province. Peonies of over 1,200 categories will gradually reach the flowering stage this month in Luoyang, a city famous for the peonies. (Xinhua/Wang Song)

Workers remove the covering for peonies at a garden in Luoyang, capital of central China's Henan Province, April 10, 2012. Peonies of over 1,200 categories will gradually reach the flowering stage this month in Luoyang, a city famous for the peonies. (Xinhua/Wang Song)

A volunteer from the United States talks with a Chinese college student about the knowledge of peonies before giving introduction to visitors at a garden in Luoyang, capital of central China's Henan Province, April 10, 2012. Peonies of over 1,200 categories will gradually reach the flowering stage this month in Luoyang, a city famous for the peonies. (Xinhua/Wang Song)