The Functional, Usable, Delightful of... Park Benches

Functional

It's a stone cold, cold, stone slab. You can sit on it, although you're just as likely to be lying underneath it.

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Usable

A back rest, an arm rest, a shaded, sheltered rest.

Also, your arse won't fall off.

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Delightful

Guys, it's a swing! It's a swing! It's got hearts, guys! Look at the hearts! It's adorable, I want one!