Within the XXII Muestra de Arte y Empresa of Petra, the Association of Commerce and Industry of this municipality organizes the first meeting of painters held the same day of the Exhibit. It is open to all artists and the choice of technique is free, although work must conform to the topic Petra i la Mostra (Petra and the Exhibit).
Registration takes place on the same Sunday between 09:00 and 11:00 hours and the works should be delivered at 17:00 hours in the cloister of the City Council, where they will be exposed for an hour and a half.