Japanese architect Tadao Ando has revealed his plans to convert Paris' Bourse de Commerce building into a museum that will host one of the world's largest contemporary art collections.

Ando was commissioned to create the gallery within the heritage-listed building by French businessman François Pinault, who will use the space to host his collection of contemporary artworks known as the Pinault Collection.
A cylindrical gallery will form the main exhibition space, and will be set into the centre of the plan below the building's domed ceiling.
A new 300-seat auditorium and foyer will be set beneath the main gallery. The entire cylinder will be encased by nine-metre-tall concrete walls and will span 30 metres in diameter.
"Charged with the task of giving the historic customs house a new life as an art museum, I proposed to introduce architectural elements as devices for inducing dialogue between the old and new," said Ando. "This concept is epitomised by the central court, the main gallery space with a square plan, which I embedded at the heart of the building."
"The Bourse de Commerce is also an exquisite historic building. By nesting new spaces within it, while respecting the memories of the city engraved in its walls, I will transform the building's entire interior into a space for contemporary art."
The Pritzker Prize laureate will arrange the 3,000 square metres of gallery space over three floors, with curving walkways s...