7 impressive outdoor gyms from around the world

You won't find air conditioning or piped-in music here, just a vigorous workout.

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Kachalka Muscle Beach in Kiev, Ukraine

Created more than 30 years ago from scrap metal left over from the Cold War, the "Kachalka" outdoor gym in the Ukraine is 6.2 square miles of fitness ingenuity. The many hundreds of weightlifting machines are all borne from materials like marine salvage, industrial chains and pulleys, tractor tires and anything else that could be salvaged. For both the young and old, Kachalka has become a gathering place to socialize while staying fit for free.

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