Last weekend, I visited St. Louis and got to catch up with some friends who live in an old brick house in that city's South Grand/Tower Grove neighborhood. (Which is awesome, by the way. After hearing nothing but bad news about St. Louis for years, I was pleasantly surprised by great, thriving neighborhoods like this one.)

There's a little porch off one of the upstairs windows, facing the street. But, at first, it's not entirely clear how you get out onto it. But, whoever built this old house had a clever trick up their sleeve — and it's one I'd never seen in action before. That's a picture of the closed window above.

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