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Castelão Stadium. The first of Brazil's 12 stadiums to open after renovations for the 2014 World Cup, the Castelão Stadium now seats 66,700 people and hosts music concerts for international stars such as Paul McCartney, as well as football games. Avenida Alberto Craveiro s/n, Fortaleza, 60861-211. www.arenacastelao.com.