I’m talking about big vertical-walled glass-sided skyscrapers like [this one](https://en.wikipedia.org/wiki/22_Bishopsgate) or [this one](https://en.wikipedia.org/wiki/8_Canada_Square). When it rains, the vertical sides of these must catch a lot of rain, which runs down the windows. So by the bottom of the building you should get the accumulated water catchment of the 50+ storeys above, which would be a pretty significant amount of water (I assume). How do these buildings manage the water hitting their sides and running down so that it doesn’t completely drench everyone on the street?
I appreciate other buildings without smooth glass sides have opportunities to capture water as it falls down the building (like [this one](https://en.wikipedia.org/wiki/122_Leadenhall_Street)) but was walking through London in the rain today wondering why I wasn’t getting wetter.
In: Engineering
This sounds like a question with straightforward answer, rather than a complex concept that you want simplified.
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