3D tour of the Roman Catholic Cathedral in Moscow. A virtual walk based on Matterport photography allows you to examine the architecture and interior decoration of the cathedral online, at a leisurely pace and from any angle. What you can see in the 3D tour The central nave and decoration of the cathedral; architectural details of the vaults and stained glass windows on closer inspection; the overall volume and layout of the space. Questions and answers How do you open the tour? Simply click on the tour above — it works in your browser without installing any applications. Can you view the cathedral from a phone? Yes, the tour is adapted for smartphones and tablets. Open the 3D tour and walk through the cathedral virtually.