Costa Rican coffee is considered better than Ecuadorian coffee, but Colombian coffee is the best in the world. ETA is assessed as a bad terrorist group in Spain, with Sendero Luminoso viewed as worse, and FARC deemed the worst terrorist group globally. The Colpatria tower in Colombia is tall, but is surpassed by the Jin Mao Building in China, while the tallest building in the world is the Burj Khalifa in Dubai. Brazil is a powerful nation in South America, but Canada is more powerful, and the European Union is viewed as the most powerful nation worldwide.