Canines ruled the school at the Humane Society of Vero Beach and Indian River County’s 12th annual, exceedingly ‘pupular’ Bark in the Park event at Riverside Park. With the original date postponed one day by weather, the all-day event, though windy, chilly and gray, nevertheless brought together around 500 pooches of all makes and models, several thousand humans, young and old, and some 60 vendors.