On a Sunday afternoon in Mexico City’s Roma neighborhood, Rosa María Espinosa joins nearly 80 men under a park pavilion to play poleana, a board game requiring mental dexterity that was born in the city's prisons nearly a century ago. “It’s a lot of adrenaline,” said Espinosa. The board symbolizes the confines of prison, and getting out before the others, winning freedom — even if just metaphorically — is the game’s goal.