International Symmetry Festival 2021    

Every three or four years, the International Symmetry Festival is held in various countries. It was founded in 2003 in Budapest, Hungary. In 2021 it was held in Sofia, Bulgaria. Dozens of speakers gave presentations on many applications of symmetry in nature, mathematics, geometry, biology, society... and one 12-minute slide show by Kate Jones on the beautiful symmetrical designs that Kadon's gamepuzzles can display, with illustrations accompanied by short verses. The slides are shown below. The event was held virtually on Zoom, with participants visible in little windows, and the presentations were tailored accordingly. Our compliments to the organizers and hosts for such a marvelous event.

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