well well well, why would Newmarket put up these signs in the park see photo

Reported in the Parks/landscapes category by Someone . at 07:53, Sat 16 January 2021

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well well well, why would Newmarket put up these signs in the park see photo. from where I stood to take this photo I could clearly see 3 other signs, plus there was 2 others out of sight. I wonder how much they cost?