Music fans flock to Brazil's Rock in Rio fest

STORY: This year's line-up features musical acts such as Iron Maiden, Justin Bieber, Dua Lipa, Coldplay, and Gilberto Gil.

The festival began on Friday and will continue through September 4, and then pick up again September 8-11, 2022.

Rock in Rio was founded in 1985 and exploded internationally with several editions in Lisbon and Madrid.