Poke center appearance

I know you will get this bug if you lose at one of the trials at Snowbar Gym, but it kinda gave me a new fresh look at the Poke center. Maybe it's funny if this will happen during the holidays like christmas and there's a christmas tree (with of course flickery lights   )  standing in the Poke center and it's snowing inside.
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Hm, could be very complicated IMO. But I do like the idea. One of the actual pokemon games had seasons implemented. No idea how hard it'd be to program...