I was once blindfolded for a team activity and led from a small hallway to an empty basketball gymnasium. With no training or prior awareness, I could instantly

I was once blindfolded for a team activity and led from a small hallway to an empty basketball gymnasium. With no training or prior awareness, I could instantly tell not only that I was in a gymnasium, but also (very) approximately how far I was away from the walls. after that, I started paying attention to how often I use audio cues to spatially locate myself.