The translation of "document Niedermünster" from German to English is "document Niedermünster." The term "Niedermünster" appears to be a proper noun, possibly referring to a specific place or document, and does not require translation. If you need further context or specific information about "Niedermünster," please provide more details!

Beneath the Romanesque Niedermünster Church from the 12th century lies one of the largest ecclesiastical archaeological excavations in Germany. A place to experience 2,000 years of cultural history: Under the Romanesque Niedermünster Church, right next to the cathedral, is one of the largest archaeological sites in Germany. The unique "document niedermünster" in the northeast corner of the former Roman legionary camp "Castra Regina" impressively showcases the most important epochs of Regensburg and Bavarian history with original findings. The simultaneous readability of the superimposed layers, now presented in current 3D reconstructions and with an innovative lighting concept, reveals the historical development from the 2nd to the 12th century, from the Roman military camp and the foundations of the UNESCO World Heritage city of Regensburg to the ducal chapel of the Duke of Bavaria and the church of the noble ladies' convent of Niedermünster. Here, visitors encounter historically significant figures such as the patron of the diocese, Erhard. In the document niedermünster, one stands at eye level with the graves of Duke Heinrich I and his wife Judith, who ruled Bavaria at its greatest extent in the mid-10th century, as well as the grave of Gisela of Burgundy, mother of Emperor Heinrich II. Visitors predominantly move through the construction pits of the preserved Romanesque church building. The basement impressively conveys the growth of historical layers and buildings up to five meters in thickness. The document niedermünster can only be visited with a guided tour.