A statue of a chimpanzee bell-boy with a mask is seen at the entrance of The Walled Off Hotel in Bethlehem, in the Israeli-occupied West Bank March 5, 2020. REUTERS/Mussa Qawasma

A member of staff wears a mask as a preventive measure against the coronavirus as a statue of a chimpanzee bell-boy with a mask is seen at the entrance of The Walled Off Hotel in Bethlehem, in the Israeli-occupied West Bank March 5, 2020. REUTERS/Mussa Qawasma

A member of staff wears a mask as a preventive measure against the coronavirus as a statue of a chimpanzee bell-boy with a mask is seen at the entrance of The Walled Off Hotel in Bethlehem, in the Israeli-occupied West Bank March 5, 2020. REUTERS/Mussa Qawasma

An artwork entitled Neighbours at the site of a piece by artist Banksy, is seen near College Green at the start of the Bristol Light Festival, in Bristol, Britain, February 27, 2020. REUTERS/Peter Nicholls

An artwork entitled Neighbours at the site of a piece by artist Banksy, is seen near College Green at the start of the Bristol Light Festival, in Bristol, Britain, February 27, 2020. REUTERS/Peter Nicholls

An artwork entitled Neighbours at the site of a piece by artist Banksy, is seen near College Green at the start of the Bristol Light Festival, in Bristol, Britain, February 27, 2020. REUTERS/Peter Nicholls

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden TPX IMAGES OF THE DAY

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

A suspected new mural by artist Banksy is pictured in Marsh Lane in Bristol, Britain, February 13, 2020. REUTERS/Rebecca Naden

View shows the Walled Off hotel and a section of the Israeli barrier in Bethlehem in the Israeli-occupied West Bank December 22, 2019. REUTERS/Mussa Qawasma

A man takes pictures of an artwork dubbed "scar of Bethlehem" by street artist Banksy in the Walled Off hotel, in Bethlehem in the Israeli-occupied West Bank December 22, 2019. REUTERS/Mussa Qawasma

An artwork dubbed "scar of Bethlehem" by street artist Banksy is displayed in the Walled Off hotel, in Bethlehem in the Israeli-occupied West Bank December 22, 2019. REUTERS/Mussa Qawasma

Wisam Salsa, general manager of the Walled Off hotel, shows "scar of Bethlehem" artwork by street artist Banksy, in Bethlehem in the Israeli-occupied West Bank December 22, 2019. REUTERS/Mussa Qawasma

Soccer Football - Championship - Leeds United v Blackburn Rovers - Elland Road, Leeds, Britain - November 9, 2019 General view of painted electricity boxes outside the ground by local artist Andy McVeigh known as the Burley Banksy Action Images/Ed Sykes EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

Soccer Football - Championship - Leeds United v Blackburn Rovers - Elland Road, Leeds, Britain - November 9, 2019 General view of painted electricity boxes outside the ground by local artist Andy McVeigh known as the Burley Banksy Action Images/Ed Sykes EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

Soccer Football - Championship - Leeds United v Blackburn Rovers - Elland Road, Leeds, Britain - November 9, 2019 General view of painted electricity boxes outside the ground by local artist Andy McVeigh known as the Burley Banksy Action Images/Ed Sykes EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

Soccer Football - Championship - Leeds United v Blackburn Rovers - Elland Road, Leeds, Britain - November 9, 2019 General view of painted electricity boxes outside the ground by local artist Andy McVeigh known as the Burley Banksy Action Images/Ed Sykes EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

Soccer Football - Championship - Leeds United v Blackburn Rovers - Elland Road, Leeds, Britain - November 9, 2019 General view of painted electricity boxes outside the ground by local artist Andy McVeigh known as the Burley Banksy Action Images/Ed Sykes EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

A man walks near a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man places a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man checks his phone near a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

Men place a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man places a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man places a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man walks near a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man places a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

Men place a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

A man places a sheet over a Banksy mural known as The Painter, which first appeared in 2008, before it is officially unveiled in Notting Hill, London, Britain, November 4, 2019. REUTERS/Yara Nardi

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy, including a stab vest previously worn by grime artist Stormzy, form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Original artworks by British artist Banksy form part of an installation inside a shop front, ahead of an online sale, in Croydon, Britain October 1, 2019. REUTERS/Peter Nicholls

Members of the media take photos as a Sotheby's staff poses for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds in a forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Sotheby's staff pose for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds in a forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Members of the media take photos as a Sotheby's staff poses for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds in a forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Members of the media take photos as a Sotheby's staff poses for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds in a forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Members of the media take photos as a Sotheby's staff poses for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds in a forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Members of the media take photos as a Sotheby's staff poses for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds in a forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Sotheby's staff remove ladders after posing for a photograph with Banksy's 'Devolved Parliament' which has an estimated value of 1.5-2 million British pounds ahead of forthcoming sale in London, Britain September 27, 2019. REUTERS/Simon Dawson

Art handlers pose on the South Bank with 'Girl with Balloon', one of the items included in an online auction of Banksy editions organised by Christie's auction house, in London, Britain, August 30, 2019. REUTERS/ Henry Nicholls

A cameraman films 'Girl with Balloon', one of the items included in an online auction of Banksy editions organised by Christie's auction house, in London, Britain, August 30, 2019. REUTERS/ Henry Nicholls

An art handler poses on the South Bank with 'Girl with Balloon - Colour AP (Gold)', one of the items included in an online auction of Banksy editions organised by Christie's auction house, in London, Britain, August 30, 2019. REUTERS/ Henry Nicholls

Art handlers pose on the South Bank with 'Girl with Balloon' and 'Girl with Balloon - Colour AP (Gold)', two of the items included in an online auction of Banksy editions organised by Christie's auction house, in London, Britain, August 30, 2019. REUTERS/ Henry Nicholls

A Palestinian girl looks out of a window of Banksy's the Walled Off hotel as a section of the Israeli barrier is seen, in Bethlehem, in the Israeli-occupied West Bank June 17, 2019. Picture taken June 17, 2019. REUTERS/Raneen Sawafta

A view shows Banksy's the Walled Off hotel and a section of the Israeli barrier in Bethlehem, in the Israeli-occupied West Bank June 17, 2019. Picture taken June 17, 2019. REUTERS/Raneen Sawafta

Exhibits are seen inside Banksy's the Walled Off hotel in Bethlehem, in the Israeli-occupied West Bank June 17, 2019. Picture taken June 17, 2019. REUTERS/Raneen Sawafta