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All are wearing a hat of some kind; straw hat, baseball caps, etc.
The ladies are wearing full-length ruffled skirts and ruffled tops.
The men are wearing ties.
The 2 men in the center are wearing cummerbunds. The man on the left has his jacket buttoned, so I can't tell if he is wearing one also. His bike looks to be made of heavier materials and fatter tires than the other 2 bikes.
Nobody is smiling!
