We recently were able to get into an old school we once saw on a thread here.1.
After we entered we figured the building was stripped on the inside and we most likely did not need respirators.
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It looks like they are going to restore this place soon, since they gutted the inside of the building and had construction going on on the outside.
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Getting to the roof was not very hard.
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If anyone feels like going to this place go soon, due to its imminent restoration. But be warned we had to sneak past a security guard in a car and had to pull some sorcery to teleport behind a boarded up window.