(from L-R) Bolivia's Presidency Minister Juan Ramon Quintana, Venezuela's Foreign Minister Elias Jaua, President Nicolas Maduro, Bolivia's President Evo Morales and Foreign Minister David Choquehuanca attend a ceremony in Cochabamba, May 26, 2013. Maduro continued his visit after signing an agreement with Morales for bilateral cooperation. REUTERS/Danilo Balderrama (BOLIVIA - Tags: POLITICS)