rain

"We fixed the rain drain of our tent using small water bottles."

It helps if you drink a lot of water to begin with. Dehydrated? Then you're outta luck!

From the submitter:

My neighbor's contraption to keep the rain off you when going into the basement

from A Home Inspector's Nightmare Series

It's a modified truck cap turned into a motorcycle shelter, because using actual building materials would be too simple and make too much sense.