1. A method comprising: determining, using at least one sensor of a device, a location and orientation of the device; displaying, on a display of the device, a video image of an environment of the device; overlaying on the video image, by the device, a representation of at least one object from a virtual reality model, wherein the position of the overlaid representation is determined based at least in part on the location and orientation of the device; and in response to user input, adjusting, by the device, a position of the overlaid representation relative to the video image.