RT @VisitOSLO: Last week Oslo celebrated music. Here are some photos from Øyafestivalen, one of Norway’s largest and Europe’s greenest festival.\n✅ The festival ran mainly on hydroelectric power. \n✅ All printed promotional materials were from recycled paper.\n#visitoslo #øyafestivalen2022 https://t.co/5HakNE9pJg