“… College tours are anxiety-inducing. For the students, for the parents, and for anyone who has ever watched someone walk backwards for an hour straight up staircases, around corners, and through buildings while spouting facts. That’s why, about a decade ago, several institutions moved to remake their campus tours. They told their tour guides to face forward and threw out their scripts. They paid tour consultants exorbitant fees. But here at Georgetown, the student tour guides still embrace the classic model. They stick to the script; they never turn away from the group.” …
https://www.theatlantic.com/education/archive/2019/08/college-tour-guides-walking-backwards/596839/