The Mystery of the Sea Unicorn...
At one time, Vikings made a lot of money by sellin... ...where they obtained the horns. We know more about narwhals now, a lot more. They are a type of whale in whic... ...d about it and a whole lot more we now know about narwhals at The Loom.
https://www.neatorama.com/2014/03/18/The-Mystery-of-the-Sea-Unicorn/
