(BBC News) Siberia has had a biting cold winter with temperatures dropping to minus 60 degreesCelsius.

(英国国家广播公司报道)西伯利亚今年寒冬刺骨，气温降至摄氏零下六十度。

One of the casualnes has been the rare Siberian tiger，one of the world's largest cats.

罕见的西伯利亚虎也受到气候波及，这种老虎是世界体型最大的猫科动物之一。

The freezing conditions have forced them into villages in search of food.

严寒的环境迫使它们闯人村子猎捕食物。

Now Russia is asking for inter-national help to return the tigers to the wild.

目前俄罗斯要求各国伸出援手，帮助这些老虎回到野外。