Transcript for Unattended Vehicles Sink Through Ice on Warm Day in Wisconsin
inflatable boat to rescue the others. They're expected to be fine. And thin ice also affecting others parking to get to a winter festival in Wisconsin. Turns out it was on the lake itself. And when they returned, they found some of their cars were beyond rescue. Here's Gloria Riviera. Reporter: The scene, ended with over a dozen vehicles submerged in the frigid waters of Wisconsin's lake Geneva. Those drivers, sure they had left them in a good spot. We came down, we saw that people were parked on the ice so we said, "Heck yeah! Let's park on the ice." Reporter: They did. Heading off to a local winter festival. Conor long snapped this photo showing car after car in the background tightly packed together. Within hours, this -- We have vehicles through the lake with no subjects in it. We need manpower. Reporter: Emergency crews, crawling out on thin ice to save cars. At least ten are a total loss. They were all parked within arm's reach of one another. That's a lot of weight for ten inches of ice. Reporter: Safety experts say ice must be 8 to 12 inches thick to hold a car or small pickup. 12 to 15 inches thick for a mid-size truck. But who is measuring? The minute you decide to drive a vehicle onto the lake, you are basically rolling the dice. Reporter: No ice is 100% safe. I think it is stupid to park on the ice, now. Wouldn't do that again. But, live and learn, right? Reporter: Luckily no one was hurt. Gloria Riviera, ABC news, Washington.
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