Ruby Aragon Center opens the festivities del Pilar with exposing oil paintings of Salvador Oliveras on Saturday October 3, 2015 at 19h in the Vallhonrat Auditorium ( c / Sant Pere, 77-79 Ruby ) . The opening is open to all . The exhibition can be visited from 3 to 18 October Monday to Saturday from 10am to 12pm i from 18h to 20h and Sundays from 12h to 14h .