Estonian supermarket built around a 10,000-year-old Ice Age boulder

Giant Rock, the largest freestanding boulder in the United States, located in Landers, California. It covers 5,800 sq feet and is seven stories high. (Kate Brogdon/shutterstock.com)

While shopping for groceries in Estonia, customers at the Viimsi Shopping Center in the town of Haabneeme can come face-to-face with a piece of ancient history: this gigantic…