https://www.monolith-openair.de/ 2026-04-07T12:00:00+02:00 daily 1.0 https://www.monolith-openair.de/og-image.jpg MONOLITH OPEN AIR 2026 - Techno Festival House, Techno & Hardtechno Open Air am Kyffhäuser Denkmal Bad Frankenhausen, Thuringia, Germany https://www.monolith-openair.de/impressum.html yearly 0.3 https://www.monolith-openair.de/datenschutz.html yearly 0.3