In the tunnel construction process, Steel Arc ribs installation is the most precise work that should construct well. The whole scene is animated in Autodesk Maya with 2 characters. It's a render-ready scene that can be rendered in Maya's SOFTWARE renderer. Lighting is also done. The scene poly count is 299550. THe whole scene textures sizes are high res. One can render in Full HD 1920 x 1080.
MA (Autodesk Maya, filesize: 253 MB), MEL (Maya Mel Script, filesize: 134 MB), FBX (Autodesk FBX, filesize: 82.8 MB)