polar bear, very thin ice, it back to thicker ice. 北極熊, 非常薄的冰, 回到更厚的冰

Peering down as he walks with trepidation across the ice, it's believed he was out looking for seals
Polar bear spreads its body weight to try and avoid plunging into freezing waters | Daily Mail Online
Read more: http://www.dailymail.co.uk/news/article-3375439/You-ice-Nervy-moment-polar-bear-spreads-body-weight-try-avoid-plunging-freezing-waters.html#ixzz3vYCTAKkA
Follow us: @MailOnline on Twitter | DailyMail on Facebook