The Pasion Monument is a decoration you can purchase for 1 or for 105,000 at level 19. The monument will add 4,250 and 350 .
According to the April 16, 2013 update, it is part of the quest "Now in Megapolis: Bullfighting!", which becomes available at Level 18. The quest requires the monument to be built, as well as the purchase of the Bullfighting Arena frame.