ice skating at the pond at bryant park

"Winter" in Bryant Park.I have noticed that the leaves on the trees in NYC do not really change much. We do not have a peak season to view the Fall Foliage. So how does a city dweller mark the passage of time from Summer to Fall to Winter, you may ask? By walking through Bryant Park everyday, and noting the changing landscapes, albeit installed by construction crews. Simulated nature.In summer,