Yoko Ono unveils lotus petal sculpture in Chicago park

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Yoko Ono has unveiled her first permanent public installation in the US.

The artist and singer - the former wife of late Beatle John Lennon - has created a piece in Jackson Park in Chicago, which is to become home to President Barack Obama's library.

Yoko Ono.
Yoko Ono (Ian West/PA)

The work is called Skylanding, and has 12 large steel lotus petals that emerge from the ground.

Yoko said the artwork is a "place where the sky and earth meet and create a seed to learn about the past and come together to create a future of peace and harmony, with nature and each other".

The idea for the sculpture started when she visited the area during a cherry blossom tree installation three years ago.

The Obama Foundation announced in July that the presidential library would be built in Jackson Park.