Leftist presidents from Uruguay, Venezuela, Bolivia and Nicaragua were all on hand to commemorate the event, along with some 10,000 Cubans and foreigners.
Guatemala is one of the lowest per-capita generators of carbon emissions in Latin America, but one of the countries most at-risk for the consequences of climate change.
People travel to Costa Rica from all over the world to behold the resplendent quetzal, a rare bird that still thrives in the town of San Gerardo de Dota.
