Photo of a front door with a small room before reaching another front door that enters into the house.
https://files.mastodon.social/media_attachments/files/113/720/033/325/143/085/original/3b63aab86f359d85.jpeg
Where I live, any home that is around 100 years old will very likely have two front doors. Putting it simply, you open one door, step into a small space, and there will be another door in front of you. The space goes by many names, but they have a simple use; temperature regulation through draft prevention.
Sadly, they are often the first thing to go in renovations for open-concept designs.
Image Source: https://ca.pinterest.com/pin/457115430937940209/
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