The Day of the Mantis is an immersive, three-part stereoscopic film installation by the Luxembourgish-German artist duo M+M (Marc Weis and Martin De Mattia), featured as part of the Casino Luxembourg pavilion at the 16th Gwangju Biennale hosted at the Gwangju Museum of Art from September 5 to November 15, 2026.Exhibition OverviewDates: September 5 – November 15, 2026Location: Gwangju Museum of Art (Hosting the Casino Luxembourg Pavilion)Artists: M+M (Marc Weis and Martin De Mattia)Curator: Kevin MuhlenTheme: Explores non-human perspectives, post-humanism, and ecological transformation using praying mantises and stick insects as protagonists.Featured Films in the TrilogyMad Mieter (2019, Music: Moritz Eggert)Club Bunker (2023)Silent Odd (2026 – Premiering at the Biennale)