Sliding back

IN 1969 A Bahian construction firm called Odebrecht began work on a brutalist building in Rio de Janeiro, which was to be the headquarters of Petrobras. It was an exciting moment: Petrobras had found oil off the coast and Odebrecht would become Brazil’s biggest contractor. But 45 years later came Lava Jato, when scores of businessmen were jailed, including Odebrecht’s boss.