资讯

The sensation of cold and howling winds are evoked in the reader’s mind by many books on Polar exploration where ... place in summer and there are no dangerous animals”. The North Pole on ...
Polar bears, powerful predators known to weigh up to 1,500 pounds, can reach speeds up to 25 miles per hour—making close calls like this especially rare and dangerous. The man’s quick reaction ...
One commenter pointed this out: "A polar bear can smell a human from miles away and will actively track it for its prey. They are extremely dangerous." The comment couldn't be truer. But it's hard ...