To the Redditor's dismay, the playground was made out of a hazardous material. "The soft ground at the park is made up of what looks like recycled soles of shoes," wrote the original poster.

The playground design was inspired by Rainer Maria Rilke’s (1875-1927) famous poem "The Panther." The text of the poem is set in stainless steel letters that are embedded in colored concrete pavement ...