亚洲91视频,国产91网,久久久久久久久久久久久久久国产,亚洲一区二区三区日本久久九,亚洲日本久久,国产精品久久久99,亚洲欧美一区二

Editor Picks

Polar bear

(Reuters)
Updated: 2006-04-14 14:41
Large Medium Small

Polar bear

A polar bear is seen in this December 30, 2005 file photo. Two USexplorers plan to start a four-month summer expedition to the North Pole next month to gather information on the habitat of an animal they believe could be the first victim of global warming -- the polar bear. [Reuters]