Some of the area's finest events and conferences can be found at Expo Minas Convention Center. Look up its schedule and see if anything is on while you're in town.
If you're making your way to Expo Minas Convention Center in Gameleira, make sure you leave time to check out some other sights too. After you've covered off this events and conferences venue, Mineirão Stadium isn't too far away and will keep you on the move for a bit longer.
