You’re indoors in the sense that you’re protected from the weather and the elements, and the cave could even have some kind of covering or entrance area that could be considered a door or doorway. People have built homes in caves.
Is caving an outside, inside activity?
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Some people live in huts or other types of human dwellings that don’t have entry doors. They have doorways.
When I was visiting the Philippines I saw homes on stilts that did not actually have doors, but I would certainly consider the inside of such a structure to be indoors. Pre-colonial architecture may not use a front door.
I recognize this isn’t a great argument, but it’s arguable I think in principle.
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You are consistent! I admire this.
Pedantically speaking, I have never been in a door. I’ve opened doors and passed beyond the portal they were blocking, but I have never phased into or been sealed inside of a door. :p
Tbf the root of door dates to when it was most likely the hole in the hut you walked in through
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Shrubbery! I heard some lot galloping by with coconuts looking for a shrubbery!
Ni! Ni!
Do I have to walk through the door? Can there just be a door at one of the entrances?
What if I enter a cave through a door installed in a doorway, but there are other entrances that don’t have doors?
What if you enter the cave through an opening where the door isn’t but I know the cave system has a door at one of the entrances elsewhere?
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Go outside. Enter cave. Leave cave through another opening. Open door to exit cave. Explode.
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Username aside, man has a point