Parades, parties, pageantry: What to know about Rio's Carnival
After weeks of sweaty, pulsating street parties, the Rio Carnival reaches its crescendo this Sunday with its main event, in which samba schools compete in dazzling parades.Here are five things to know about the Rio Carnival: - The Sambodrome - Rio de Janeiro vibrates with Carnival fever throughout February, but the main event is the parade of samba schools through the massive "Sambodrome" venue.