Why is there a floor with windows and doors buried underground near the facades of some buildings?


Bodryachek
 
Why is there a floor with windows and doors buried underground near the facades of some buildings?
Source
Why is there a floor with windows and doors buried underground near the facades of some buildings? - Longpost, Inventions, Informative, Technologies, Architecture, Facade, Telegram (link)
Why is there a floor with windows and doors buried underground near the facades of some buildings? - Longpost, Inventions, Informative, Technologies, Architecture, Facade, Telegram (link)
Why is there a floor with windows and doors buried underground near the facades of some buildings? - Longpost, Inventions, Informative, Technologies, Architecture, Facade, Telegram (link)
Why is there a floor with windows and doors buried underground near the facades of some buildings? - Longpost, Inventions, Informative, Technologies, Architecture, Facade, Telegram (link)
Why is there a floor with windows and doors buried underground near the facades of some buildings? - Longpost, Inventions, Informative, Technologies, Architecture, Facade, Telegram (link)
Why is there a floor with windows and doors buried underground near the facades of some buildings? - Longpost, Inventions, Informative, Technologies, Architecture, Facade, Telegram (link)

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