Lilian Tintori, wife of jailed Venezuelan opposition leader Leopoldo Lopez, gestures while talking to an officer of the National Bolivarian Guard, outside the military prison of Ramo Verde, on the outskirts of Caracas May 29, 2015. Former Latin American presidents Andres Pastrana from Colombia and Jorge Quiroga from Bolivia were blocked on Friday from visiting jailed Venezuelan opposition leader Leopoldo Lopez, who was arrested last year after leading protests against the government of President Nicolas Maduro. REUTERS/Marco Bello