(BBCNews) - Gela Gamtkitsulashvili describes how he and his twin brother turned an old family wine cellar in Georgia into a wine-making business and destination for tourists. Twins Gela and Gia Gamtkitsulashvili came into the world together and they are still inseparable, even in business. They run a complex comprising wine cellars and a hotel, called the Twins Old Cellar, located in the Kakheti region in the eastern part of Georgia. They make their wine in clay vessels called kvevri in accordance with the traditional Georgian method.