Buenos Aires, Argentina- Christmas here is at the beginning of their summer- hot, humid and sunny. The main celebration is on Christmas Eve (Nochebuena), rather than Christmas morning. After a big family dinner, gifts are exchanged and at midnight church bells and fireworks go off all over the city. Santa often makes an appearance at homes and at malls, but other traditional things like caroling and 24-hour Christmas music on the radio don't happen here.