They normally earn their living with laptops and Wi-Fi – but for one weekend in Ston, a group of international digital nomads swapped their keyboards for a rather more traditional Croatian experience: harvesting salt. A group of ten digital nomads from across the world descended on Ston during this year's Salt Festival, getting a taste of everything from centuries-old salt production to Pelješac gastronomy, culture and local life. The visit, whi…