Tuekta is in the Altai Mountains where Russia, China, Kazakhstan and Mongolia come together. Researchers there have discovered burial mounds 2,300 to 2,800 years old and up to 250 feet (76 meters) wide. These burial mounds, called "kurgans," probably belonged to chiefs or princes among the Scythians, a nomadic people known for their horsemanship, who once had a rich, powerful empire. Excavations of some of these have revealed extraordinary treasures of gold and other artifacts well-preserved by permafrost. Nearly 200 burial mounds were discovered in Tuekta, situated along the River Ursul. The site's heart appears to once have been a...