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Officials test sprinklers on Tokyo street as city looks for ways to keep Olympic athletes and spectators cool

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The Tokyo Metropolitan Government on Monday tested sprinklers on a street in the capital to see how effective it could be in countering scorching heat as o
The Tokyo Metropolitan Government on Monday tested sprinklers on a street in the capital to see how effective it could be in countering scorching heat as officials look for ways to keep athletes and spectators cool during the 2020 Tokyo Games.
The experiment, conducted on a pedestrian walkway along a road where competitive walking will be held during the games, showed sprinkling water will keep the temperature on the street surface up to around 5 C cooler than the air temperature.
The metropolitan government carried out the test using perforated hoses that are typically used by farmers to irrigate crops. Some locations had their sprinklers activated from 4 a.m. while sprinklers elsewhere were activated at 7 a.m. At some test areas, sprinklers weren’t used at all.
In areas where sprinklers were used from 4 a.

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