A special edition exploring depopulation, one of the biggest issues facing to Scotland's fragile rural communities, with the team meeting people battling to reverse the trend. Anne Lundon visits a secondary school with just 31 pupils. and Rosie Morton discovers how hard it is to find housing in popular tourist hotspots. Dougie Vipond travels to Arran to hear about a scheme trying to persuade doctors to settle on the island, while Arlene Stuart meets campaigners who think they may have solutions