Rome's Villa Borghese park hosts open-air art exhibition 17 May, 2021 An outdoor festival of contemporary art and music in Villa Borghese. Rome's Villa Borghese park is hosting the second edition of Back to Nature, a free outdoor exhibition project curated by art critic Costantino D'Orazio. The popular Roman park hosts outdoor installations that reflect on the relationship between humans and nature, on display among the trees until 25 July.