Wales’ largest music, science and arts festival, Green Man Festival came to a triumphant close last night with a thrilling headline set from Fontaines D.C., following the previous day’s headliners Caribou, Mogwai and Tirzah. Inside Out are proud to have looked after the festival’s publicity and promotion since the 2017 event, and are excited to announce the 20th anniversary edition of the festival will be taking place next year, 18-21 August 2022.