Over-Hunting Walruses Likely Forced Vikings to Abandon Greenland
![Over-Hunting Walruses Likely Forced Vikings to Abandon Greenland 2 fjvj9phvn6o1qyc9trse](https://viralnewsbest.com/wp-content/uploads/2020/01/fjvj9phvn6o1qyc9trse.jpg)
Scientists have struggled to understand why, after hundreds of years, Vikings suddenly abandoned their Greenland colony. New research suggests their economic over-reliance on walrus tusks—a valuable but dwindling trade commodity—had a lot to do with it.
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