Photo taken on May 30, 2013 shows a white kangaroo in Xixiakou animal park at Weihai City, east China's Shandong Province. In total four white kangaroos, all of which are from Australia, are unveiled at the park on Thursday. This is the first time white kangaroos came to Weihai. (Xinhua/Yu Qibo)

Photo taken on May 30, 2013 shows two white kangaroos in Xixiakou animal park at Weihai City, east China's Shandong Province. In total four white kangaroos, all of which are from Australia, are unveiled at the park on Thursday. This is the first time white kangaroos came to Weihai. (Xinhua/Yu Qibo)

Visitors look at white kangaroos in Xixiakou animal park at Weihai City, east China's Shandong Province, May 30, 2013. In total four white kangaroos, all of which are from Australia, are unveiled at the park on Thursday. This is the first time white kangaroos came to Weihai. (Xinhua/Yu Qibo)

Photo taken on May 30, 2013 shows four white kangaroos in Xixiakou animal park at Weihai City, east China's Shandong Province. In total four white kangaroos, all of which are from Australia, are unveiled at the park on Thursday. This is the first time white kangaroos came to Weihai. (Xinhua/Yu Qibo)