I normally only visit this rink (Bowie, MD, USA) - my favorite rink, that I moved to be near - while they are open. They are closed for the season now, but a non-skating event occurred there today.
The concrete floor has bumps and depressions - presumably a symptom of Frost Heaves and erosion. The manager says it is one of the reasons they know that the rink - originally built in 1971 - might not last much longer.
Which means that if Bowie city council doesn't fund the replacement rink, Bowie may, in a few years time, have no ice rink. Which would be roughly equivalent to the end of the world.