There is a tiny hole at the entrance that you can use to get in. However there seems to be nothing inside, mostly trash and racist or offensive gafitti. Wouldn't recommend going inside of the place, not worth it and very high risk of consequences of you are caught.
There is no sanctioned entry to the building, but there seem to be many unsanctioned visits taking place. Warnings of trespassing and asbestos are all over the place.
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