How do Olympic skiers and snowboarders practice complex moves? This giant airbag mimics a snowy hill

A training airbag at Utah's Olympic Park allows athletes to practice tricks with a soft landing before taking them to snow.
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How do Olympic snowboarders and skiers practice complex tricks? This airbag mimics a snowy hill

Team USA's top snowboarders have a bouncy tool to finetune tricks. Utah's Olympic Park has an airbag that allows athletes to ...