Hidden below Cité Judiciaire: The 'Crypt of the Holy Spirit' to open for the first time in 2025

Hidden for decades beneath layers of sand, the archaeological crypt under Luxembourg City’s Cité Judiciaire is set to welcome visitors for the first time in spring 2025, with a permanent opening planned for 2026. This historic site promises to be a significant addition to the city’s UNESCO World Heritage treasures.