Simulated reality or “virtual reality” (vr) is still something different from added reality or “augmented reality” (ar). The difference is not always clear to everyone. In both applications you see reality as it is, but with a digital layer over it. It is a technology that also offers many interesting applications for the construction sector. Virtual reality and augmented reality are concepts that have been appearing more and more frequently recently. With virtual reality, the user enters a virtual world. You no longer see anything of the real world around you. In practice, you put a pair of glasses on your head with a built-in screen. Through the glasses you do not see what is really happening around you, but you look around in a digital world. That environment is your reality at that moment. A simulated reality, in other words.