- News – Mysterious Medieval Tunnel Discovered Under Neolithic Monument in Germany Archaeology Magazine
- Scientists Keep Discovering Mysterious Ancient Tunnels Across Europe 404 Media
- Archaeologists uncover tunnels inside 6000-year-old Neolithic site in Germany inkl
- Mysterious tunnel found in Neolithic ditch enclosure HeritageDaily
- Medieval Underground Tunnel Discovered Inside a 6,000-Year-Old Neolithic Burial Site in Germany Arkeonews
