Does anyone else think there is a mistake this week? The answer to 20a is obviously CALI but the 2nd largest city in Colombia is Medillin according to the encyclopadia. Cali is the 3rd largest.
Santiago de Cali, simply referred to as Cali, is a city in western Colombia and the capital of the Valle del Cauca Department. With a population of 2.5 million, Cali is the second largest city in the country. It has one of the fastest growing economies and infrastructure in the country because of its geographical location. The city was founded on July 25, 1536 by the Spanish conquistador Sebastián de Belalcázar.