City infrastructure works: Carioca Square remodel, removal of the Castelo Hill, construction on Beira-Mar Avenue

Corso (Carnival car parade) on Rio Branco Avenue; people in costume walking the same avenue; children in costume on the beach; people spread out over a sand strip; title card City infrastructure works, the Carioca Square remodel: rubble from the square's fountain and bath house; title card Castelo Hill removal well underway: scenes from the demolished hill with scattered debris; workers over the rubble; title card The mighty hydraulic pumps running, also used for the removal of Castelo Hill: water jets being used for the demolition; title card The mighty backhoes in action, how the landfill is loaded: backhoes removing dirt that is placed in train wagons; wagons dumping the rubble in landfill areas; scenes from the heights of Cinelândia, Rio Branco Avenue and Beira-Mar Avenue during the Corso; people in costume on the street; people in costume on the beach and beachgoers; Carnival on Flexa Beach, in Niterói (1928): Corso, parade with a float; Corso on Rio Branco; people in costume on the same avenue with musicians; children in costume; groups of people in costume posing for the camera in cars on the Corso; people in costume with a poster that reads Antonio, come scare away this goat that is bothering me; Carnival on Atlântica Avenue; people in swimwear walking on a sand strip.