Telegraph: The pair became stranded after climbing onto the chunk of ice during a expedition to hunt seals. Soon the ice floe shrank down to just a few yards and rapidly drifted down the Olga Strait of Svalbard in Norway. But although the bears look frightened, huddled together in the centre of the iceberg, experts predicted that the agile swimmers will be able to get safely back to shore. Images of polar bears stranded out at sea are often used to highlight the affect of global warming …