A butterfly rests on a flower in a zoology park in Kunming, capital of southwest China's Yunnan Province, Sept. 19, 2009. The butterfly zoology park featuring tens of thousands of butterflies opened Saturday in Kunming. [Xinhua/Chen Haining]

Butterflies fly among flowers in a zoology park in Kunming, capital of southwest China's Yunnan Province, Sept. 19, 2009. The butterfly zoology park featuring tens of thousands of butterflies opened Saturday in Kunming.[Xinhua/Chen Haining]