The Edinburgh Castle is lit up near beams of light shining as part of "My Light Shines On" a celebration marking what would have been the opening weekend of the 2020 Edinburgh International Festival, at Calton Hill in Edinburgh, amid the coronavirus disease (COVID-19) outbreak in Scotland, August 7, 2020. REUTERS/Russell Cheyne

The Edinburgh Castle is lit up near beams of light shining as part of "My Light Shines On" a celebration marking what would have been the opening weekend of the 2020 Edinburgh International Festival, at Calton Hill in Edinburgh, amid the coronavirus disease (COVID-19) outbreak in Scotland, August 7, 2020. REUTERS/Russell Cheyne

The National Monument of Scotland is illuminated near beams of light shining to mark what would have been the opening weekend of the 2020 Edinburgh International Festival, , at Calton Hill in Edinburgh, amid the coronavirus disease (COVID-19) outbreak in Scotland, August 7, 2020. REUTERS/Russell Cheyne

The National Monument of Scotland is illuminated near beams of light shining to mark what would have been the opening weekend of the 2020 Edinburgh International Festival, at Calton Hill in Edinburgh, amid the coronavirus disease (COVID-19) outbreak in Scotland, August 7, 2020. REUTERS/Russell Cheyne

National Monument of Scotland is illuminated in front of beams of light shining to mark what would have been the opening weekend of the 2020 Edinburgh International Festival, in Edinburgh, amid the coronavirus disease (COVID-19) outbreak in Scotland, August 7, 2020. REUTERS/Russell Cheyne

The National Monument of Scotland is illuminated in front of beams of light shining to mark what would have been the opening weekend of the 2020 Edinburgh International Festival, in Edinburgh, amid the coronavirus disease (COVID-19) outbreak in Scotland, August 7, 2020. REUTERS/Russell Cheyne

Scottish Chamber Orchestra cellist Su-a Lee performs at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish Chamber Orchestra cellist Su-a Lee performs at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish ballet dancers Sophie Martin and Barnaby Rook Bishop perform at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish ballet dancers Sophie Martin, Barnaby Rook Bishop and Thomas Edwards perform at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish ballet dancers Sophie Martin, Barnaby Rook Bishop and Thomas Edwards perform at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY

Scottish ballet dancer Sophie Martin performs at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish ballet dancer Sophie Martin performs at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish ballet dancer Sophie Martin performs at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Scottish ballet dancer Sophie Martin performs at the Edinburgh Festival theatre after the Edinburgh International Festival has been cancelled and turned into a digital event due to the coronavirus disease (COVID-19) outbreak, in Edinburgh, Britain August 3, 2020. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Winter triumphs over Summer at the Samhuinn Fire Festival at Calton Hill Edinburgh.Scotland, Britain October 31, 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

Comedian Mark Nelson poses for a photograph during an interview in Edinburgh, Scotland, Britain August 13, 2019. Picture taken August 13 2019. REUTERS/Russell Cheyne

A man holding a poster is seen in front of flyers advertising shows at the Fringe in Edinburgh, Scotland, Britain, August 1, 2019. REUTERS/Russell Cheyne

REFILE - CORRECTING GRAMMAR People look at flyers stuck to a pillar on The Royal Mile, in Edinburgh, Scotland, Britain, August 1, 2019. REUTERS/Russell Cheyne

Flyers stuck to a pillar are seen on The Royal Mile, in Edinburgh, Scotland, Britain, August 1, 2019. REUTERS/Russell Cheyne

Performers hand out flyers on the The Royal Mile trying to attract people to their show, in Edinburgh, Scotland, Britain August 1, 2019. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY

Performers hand out flyers on the The Royal Mile trying to attract people to their show, in Edinburgh, Scotland, Britain August 1, 2019. REUTERS/Russell Cheyne

Jarno Polhuijs, a member of the cast of Super Sunday, is airborne above Edinburgh Castle, Edinburgh, Britain August 1, 2019. REUTERS/Russell Cheyne

Jarno Polhuijs, a member of the cast of Super Sunday, is airborne above Edinburgh Castle, Edinburgh, Britain August 1, 2019. REUTERS/Russell Cheyne

A woman wearing angel wings pulls tongues at the camera as she crosses a road during the fringe festival in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Actress Natali Servat appears on stage as Nazanin Zaghari Ratcliffe in a production called 'Nazanin's Story' at the fringe festival in Edinburgh, Scotland, Britain. Aug 24, 2018. REUTERS/Jon Super

Actress Natali Servat (R) appears on stage as Nazanin Zaghari Ratcliffe in a production called 'Nazanin's Story' at the fringe festival in Edinburgh, Scotland, Britain. Aug 24, 2018. REUTERS/Jon Super

Actress Natali Servat (R) appears on stage as Nazanin Zaghari Ratcliffe in a production called 'Nazanin's Story' at the fringe festival in Edinburgh, Scotland, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, appears on stage with director Emi Howell after attending a show at the fringe festival about his wife's story in Edinburgh, Scotland, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, talks with journalists before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, talks with journalists before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, poses for a photograph before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, talks with journalists before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, poses for a photograph before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, poses for a photograph before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Jon Super

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, talks with journalists before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Simon Dawson

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, talks with journalists before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Simon Dawson

Richard Ratcliffe, husband of Nazanin Zaghari Ratcliffe, who is detained in Iran, talks with journalists before attending a show at the fringe festival about his wife's story in Edinburgh, Britain. Aug 24, 2018. REUTERS/Simon Dawson

Comedian Elf Lyons hula hooping on stage before her performance in "ChiffChaff" at the Pleasance Dome at the Fringe in Edinburgh, Scotland, Britain August 17, 2018. Picture taken August 17, 2018. REUTERS/Russell Cheyne

Comedian Elf Lyons hula hooping on stage before her performance in "ChiffChaff" at the Pleasance Dome at the Fringe in Edinburgh, Scotland, Britain, August 17, 2018. Picture taken August 17, 2018. REUTERS/Russell Cheyne

Comedian Elf Lyons hula hooping on stage before her performance in "ChiffChaff" at the Pleasance Dome at the Fringe in Edinburgh, Scotland, Britain August 17, 2018. Picture taken August 17, 2018. REUTERS/Russell Cheyne

Comedian Elf Lyons waits backstage before her performance in "ChiffChaff" at the Pleasance Dome at the Fringe in Edinburgh, Scotland, Britain August 17, 2018. Picture taken August 17, 2018. REUTERS/Russell Cheyne

Comedian Elf Lyons hula hooping on stage before her performance in "ChiffChaff" at the Pleasance Dome at the Fringe in Edinburgh, Scotland, Britain, August 17, 2018. Picture taken August 17, 2018. REUTERS/Russell Cheyne

Comedian Elf Lyons hula hooping on stage before her performance in "ChiffChaff" at the Pleasance Dome at the Fringe in Edinburgh, Scotland, Britain, August 17, 2018. Picture taken August 17, 2018. REUTERS/Russell Cheyne