Just recently I went to visit a well known spot, and I was somewhat surprised to see the state that it's in. I was there 3 years ago and it had heavy decay, while still seeming structurally sound.
Here is a photo of the room the spot is famous for. (Found on google, probably taken around 8-10 years ago)
Here is a photo I got of the dome just recently.
Here is where it get's concerning. The arched doorways underneath the dome seem to be under a lot of stress.
I don't believe this place has much longer and it's pretty sad to see how terrible its gotten over the past 4 years. Holes in walls, everything collapsing, I guess its just part of the cycle of abandoned spots.
My bets would be on that this is the last winter that dome will have. I hope nobody gets hurt there. Be careful everyone.