“Hot sulfur baths have come from the earth for many, many centuries in Tbilisi. The city is built on hot water. Even the name of the city comes from this. ‘Tbili’ in Georgian means ‘warm,’ ” says Mercedes-Benz Fashion Week Tbilisi founder Sofia Tchkonia, who it’s worth noting has an impeccable complexion. “This water is perfect for skin diseases, nervous system, insomnia problems. And there is a special scrub, which takes away dead cells – so much that afterward, you have baby skin.