The skies opened up about an hour ahead of the start of the all-night-long extravaganza, drenching revelers, flooding streets near the Sambadrome and even the walkways within Rio's Mecca of Carnaval.
Tennis star Rafael Nadal, in town for the Rio Open tournament, participated in the opening parade of the night, covered by a plastic rain slicker. Mobbed by the press, the Spanish athlete only stayed around 20 minutes, trying out fancy footwork meant to resemble samba and posing for selfies along with former Brazilian French Open winner Gustavo "Guga" Kuerten.
In addition to near-constant reminders of the stalled economy, Brazilians are coping with a snowballing corruption scandal at the state-run oil giant Petrobras as well as the worst drought in 80 years in the southeast, which includes Rio and the country's industrial and business hub of Sao Paulo.
Carnival celebrations in smaller cities have even been cancelled because of the drought.
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Yesterday's rains in Rio were, then, widely welcomed, despite interfering with the city's biggest party.
In Paraty, a colonial jewel of a city between Rio and Sao Paulo, Carnival was scaled down after a deadly shooting on Saturday night. One person was killed and 10 injured, including three tourists from Sao Paulo, in the shootout which erupted in the midst of a crowd of revelers in the historic downtown, according to news reports.