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BOISE -- The Treasure Valley is doing its best to cope with record-breaking heat. However, it appears most people are listening to the experts and staying indoors.

The playground was completely empty Monday afternoon at Camel's Back Park in Boise. Even the parking lot, where foothill recreationists park, contained only a few cars.

There are some people, though, who can't stay inside. A crew with Idaho Sand and Gravel was out in the heat of the day, ripping up a sidewalk in downtown Boise.

Terry Malarkey says workers drink plenty of water and watch each other for signs of heat-related illness.

What we do you really can't just shut the doors and be comfortable, said Malarkey. So we deal with it. And hopes this ends soon.

Some signs of heat-related illness are weakness, fatigue, and dizziness. A person may appear pale and sweaty.

KTVB conducted a fun, non-scientific experiment to help illustrate the hot temperatures. We placed refrigerated cookie dough inside a car at noon. The outside temperature was about 95 degrees.

It didn't take long for the cookies to flatten out and start baking. By 3 p.m., with temps above 100 degrees, the cookies were baked through. By 5:45 p.m., the cookies were very crispy, even overcooked.

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