The conservation project lasted two years.
The museum hopes the permanent show will encourage claimants to come forward.
"We had caught Banksy in the act. The man we had filmed even had fresh paint on his fingers," Nick Bryant wrote of the moment he allegedly captured the anonymous artist in 2018.
Seaworld Venice transforms the Austrian Pavilion into a visceral, hybrid performance that explores climate change and technological dependence within a flooded, dystopian Venice.
See the ten most expensive works of art and find out what they sold for at auction in April.
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