MOSCOW—Deafening honking, shirtless men riding the subway and smiling policemen: Russia’s heavily-controlled capital erupted in impromptu celebrations after the national soccer team, the lowest-ranked squad in the World Cup, toppled powerhouse Spain on Sunday evening.
One of the most surprising upsets in the history of the tournament triggered a rare spark of spontaneity in a country more used to choreographed celebrations on official holidays.
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