It's arbitrary to call it autumn just because one planet has a festival

They call it Fall Fest on some worlds, and Autumn's Progress on others. Everybody flocks to the northern hemisphere on our planet and celebrates a new season. Even though most of them come from tidally-locked worlds where they're on continents that're always in deep summer. I guess people just want an excuse to party.

Sergey Zabelin is an art director in Ukraine who works on videogames. See more of his work on his CGHub gallery.

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