Puzzle 450: Room and Reason 35

I have yet again kept up the mentally exhausting tradition of posting a 31x45 puzzle every 25th puzzle. I feel very, very spent. I hope you're happy, readers!

I would like to thank the people, dogs, and God who have kept my blog and me alive. I can't think of much else to say, so here's a video I found while trying to find an interesting link related to the number 450.
(click to enlarge)

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