Dream About Caribou And Polar Bear

I had a dream about caribou that were walking across the snowy woods when all of a sudden a polar bear chased them down and successfully killed one of the children to feed its children. After seeing that I went to get something for my mom from a old family house to warm us up because we were also in this cold forest. The house number was 2871. I’d never been there before but inside was old and dusty but it had a fireplace and I worked on getting that started