View of Evolutions installation by artist Yann Nguema at the Saint-Jean Cathedral during the rehearsal for the Festival of Lights (Fetes des Lumieres) in Central Lyon, France, late December 7, 2016. (Photo by Emmanuel Foudrot/Reuters)

A man with a mask poses for a portrait as he takes part in festivities in honour of patron saint San Jeronimo in Masaya city, Nicaragua November 20, 2016. (Photo by Oswaldo Rivas/Reuters)

People gather as a crowd of sea lions lay on floating docks at Pier 39 in San Francisco, California May 4, 2015. Hundreds of sea lions began hauling out on the docks following the Loma Prieta earthquake of 1989, and face no natural predators at the pier. (Photo by Robert Galbraith/Reuters)

Jason Garcia poses as The Joker from Batman at the 2015 Comic-Con International in San Diego, California, July 9, 2015. (Photo by Sandy Huffaker/Reuters)

Revellers celebrate moments before the rocket fire or “Txupinazo” marks the start of the Festival of San Fermin (or Sanfermines) at Consistorio square in Pamplona, Spain, 06 July 2014. The annual nine day long running-with-the-bulls fiesta commemorates St. Fermin, Pamplona's patron saint. (Photo by Javier Lizin/EFE)

A catholic faithful smeared in burnt oil, takes part in the opening of the ten-day celebration of the Santo Domingo de Guzman festival in Managua, on August 1, 2019. In Central America the black devil, or El Cadejo, is an evil dog-like spirit with glowing red eyes that locals believe eats new born puppies. (Photo by Inti Ocon/AFP Photo)

A man pours red wine on a girl's head during the Batalla del Vino (Battle of Wine) in Haro, on June 29, 2015. Every year thousands of locals and tourists climb a mountain in the northern Spanish province of La Rioja to celebrate St. Peter's day covering each other in red wine while tanker trucks filled with wine distribute the alcoholic beverage to water pistols, back mounted spraying devices, buckets which are randomly poured on heads and into any other available container. More than nine thousand people threw around 130,000 litres of wine during this year's Haro Wine Festival, according to local media. (Photo by Cesar Manso/AFP Photo)

If the most popular foods of Rio de Janeiro have one thing in common, it is their informality. You can find fine restaurants in the city, but they do not set Rio apart from other places. What does set it apart, and what invariably brings its residents, known as "Cariocas," together is the unpretentious food they eat in bright, loud, crowded bars and restaurants, on busy street corners, or after a day at the beach. Here: A view of traditional bolinhos de bacalhau (fried codfish balls) in Rio de Janeiro, Brazil, May 7, 2016. (Photo by Sergio Moraes/Reuters)