Which Albuquerque, New Mexico event, held annually in October, is the world's largest gathering of hot air balloons?

• A Reno Balloon Race
• B Great Forest Park Balloon Race
• C Albuquerque International Balloon Fiesta ✓
• D Colorado Balloon Classic

The Albuquerque International Balloon Fiesta, launched in 1972 with 13 balloons, now draws over 500 balloons and attracts visitors from around the world.