 This is The World. I'm Marco Werman. The water aisle in American grocery stores has no shortage of flavored, fortified, or all-natural seltzers. Of course, sparkling water has been around a long time. In much of the former Soviet Union, there's one particular brand of fizzy water that was iconic, a drink called Borgiomi. Last spring, reporter Levi Bridges visited the town of Borgiomi in the Republic of Georgia to learn more.