Carnival Images, Carnival Stock Photos: Carnival is a festive season occurring immediately before Lent. Carnival is a Western Christian festive season that occurs before the liturgical season of Lent. Carnival typically involves a public celebration and/or parade combining some elements of a circus, masks, and a public street party. People wear masks and costumes during many such celebrations, allowing them to lose their everyday individuality and experience a heightened sense of social unity. Here we collected some images of popular carnivals across the world.