Complex sentence: As the National Shrine, dedicated to the patroness of Brazil, one of the functions of the Basilica is to work as a site of pilgrimage for laborers, which takes place each year on Brazil's independence holiday, September 7.
Split into simpler sentences: As the National Shrine, dedicated to the patroness of Brazil, one of the functions of the Basilica is to function as a site of pilgrimage for laborers. The traditional pilgrimage of the laborers takes place each year on Brazil's independence holiday, September 7.