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Gray skies and green water at the Rio de Janeiro Games

Related Topics: Rio de Janeiro, Rowing (sport)

RIO DE JANEIRO (AP) — Skies and pools both darkened Wednesday as the sun-splashed Rio Games gave way to gray clouds and murky green waters.

The Rio de Janeiro Olympics were drenched in rain and continued questions Wednesday about why the diving well and water polo pools look so much like neglected aquariums.

The third day of the men's tournament in water polo began in green-tinged water, though not nearly as dark as the neighboring diving well at the aquatics center. It was a crystal blue a day before.

Water quality has been a major issue surrounding the Rio de Janeiro Olympics, but in the ocean and lagoons, not pools.