Hoof prints in the mud, tree bark nibbled away: even if the newest residents of Romania's Carpathian mountain forest shy away from visitors, their traces are there for those who know where to look.
Interview: European bison vital for biodiversity in all of Europe, says Polish expert - World News sina.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sina.com Daily Mail and Mail on Sunday newspapers.
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