HOUSTON If you re up to the challenge, you can pack it all in this Fourth of July at Freedom over Texas.In the shadows of downtown Houston is a challenge for the fearless.The people behind it said it is a fun way to do exercise.

Despite its location, the adult fitness challenge is no walk in the park, but KHOU 11 News s Mia Gradney was game. She muscled up, knuckled up and got it in gear.Are you ready?
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