Summary:

- The article discusses the discovery of ancient walrus hunting sites in the Canadian Arctic, which provide insights into the hunting practices of Viking explorers who traveled to North America centuries before Christopher Columbus.
- Archaeologists have found evidence of walrus hunting at several sites, including butchered walrus bones, hunting tools, and structures that may have been used as hunting camps or shelters.
- The findings suggest that Viking explorers were able to successfully hunt and harvest walrus, which would have been an important source of food, raw materials, and trade goods for their settlements in Greenland and other parts of the North Atlantic region.