Select the area you want to view by clicking on one of the area images above. Move around by dragging it with the mousse. Clicking on the white dots or exit button will take you to a different room.
You can take it to another level by using your mobile phone and the VR cardboard viewer. Click on the VR cardboard viewer button on your mobile screen and make sure that the portrait orientation lock is turned off. Place you phone into your cardboard viewer and explore!