This is low poly version created from ultra high poly 3D scan of part of tunnels under Stranska Skala in Czech Republic. Scan includes high resolution textures so even writings on walls are clearly visible. This scan was made using photogrammetry in Meshroom. Original dataset consist of 1400 images. These tunnels was dug during second world war by nazis to hide underground factory. Later part of these tunnels was used as civil defense bunker and later was opened to public. This part is deepest level of that complex which is approximately one third of total lenght.