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Clara Hernandez, 35, of Valencia, Spain. Michael Nagle

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Mohammed, a construction worker from Brooklyn, cooling off at an open fire hydrant. Matthew McDermott

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Penny cools off in a portable pool. Emmy Park for N.Y.Post

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Employees from the White Iceberg ice making company unload bags of ice to be brought into the MET supermarket. Gregory P. Mango

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A woman fanning herself to keep cool on a park bench. Getty Images

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A landscaper puts a cold towel over his head as an extreme heat warning is in effect in Queens. REUTERS

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Ray, 26, a performer holding a thermometer insider the Brooklyn Bridge City Hall Station, where temperatures reached 100 degrees. Michael Nagle

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Kids playing in fountains in Manhattan. Getty Images

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A student cools off during their lunch break in front a portable air conditioner at a McDonald’s. Michael Nagle

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People cool off while riding the Staten Island Ferry. Getty Images

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Kai Zhang, 18, waves a fan in a crowded subway car in Brooklyn. Michael Nagle

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A tourist poses for pictures in steam grate on Wall Street AFP via Getty Images

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A man stands with a towel on his head in midtown Manhattan. AFP via Getty Images

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A man sits in the shade of a building in midtown Manhattan. AFP via Getty Images

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Abbey Figueroa, 44, holds a thermometer as a shirtless man stands in the doorway of an air conditioned 6 train. Michael Nagle

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A couple of young men went shirtless to stay cool in Manhattan. Getty Images

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Kristen Doleman, 27, and Sarah Diaz, 17, tourists from West Virginia, use fans to cool off on the Canal Street ACE subway platform. Michael Nagle

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A commuter uses a hand fan at the Franklin Avenue subway station. Bloomberg via Getty Images

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An open fire hydrant in Flushing Meadows Park. James Messerschmidt

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A couple relaxing in the shade in Flushing Meadows Park in Corona. James Messerschmidt