White tiger cubs stay in Yunan wildlife park in Kunming, capital of southwest China's Yunnan Province, March 6, 2010. [Xinhua]

White tiger cubs stay in Yunan wildlife park in Kunming, capital of southwest China's Yunnan Province, March 6, 2010. [Xinhua]

A white tiger cub looks at a giraffe toy in Yunan wildlife park in Kunming, capital of southwest China's Yunnan Province, March 6, 2010. [Xinhua]

A white tiger cub walks in Yunan wildlife park in Kunming, capital of southwest China's Yunnan Province, March 6, 2010. [Xinhua]

A white tiger cub walks in Yunan wildlife park in Kunming, capital of southwest China's Yunnan Province, March 6, 2010. [Xinhua]