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The 2016 Summer Olympics boating and swimming events have put an international spotlight on a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up bays and waterways.

Not enough is being done to stop manipulation of critical-path method schedules, he says.

The construction industry continues to study the multiyear buildup of the Rio Olympics as a costly and challenging engineering project that provides lessons for future cities hosting large programs such as the Summer Games.

The 645-ft Millennium Tower—the tallest reinforced concrete structure in the Western United States—is sinking and tilting, and the building owner places the blame squarely on the adjacent Transbay Transit Center project.