Spectators react after watching a British Airways Boeing 747 doing a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A spectator takes images of a British Airways Boeing 747 as it does a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A spectator observes a British Airways Boeing 747 as it does a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A British Airways Boeing 747 does a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A British Airways Boeing 747 does a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

Spectators take images of a British Airways Boeing 747 as it does a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

Spectators take images of a British Airways Boeing 747 as it does a flypast over London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A British Airways Boeing 747 leaves London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A British Airways Boeing 747 leaves London Heathrow airport on it's final flight, the last of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain October 8, 2020. REUTERS/Toby Melville

A member of the flight crew waves out of the window of Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' as it departs for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

Aviation enthusiasts gather at the aviation viewing park to watch Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' depart for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' departs for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

Aviation enthusiasts gather at the aviation viewing park to watch Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' depart for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

A member of the flight crew waves out of the window of Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' as it departs for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

Aviation enthusiasts gather at the aviation viewing park to watch Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' depart for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

Aviation enthusiasts gather at the aviation viewing park to watch Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' depart for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

Aviation enthusiasts gather at the aviation viewing park to watch Virgin Atlantic's penultimate Boeing 747-400 aircraft 'Forever Young' depart for the final time before being retired from the fleet at Manchester Airport, Britain, September 8, 2020. REUTERS/Phil Noble

A woman walks her dog past a British Airways Boeing 747 G-CIVD plane at London Heathrow airport, one of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain August 18, 2020. REUTERS/John Sibley

People photograph a British Airways Boeing 747 G-CIVD plane which leaves London Heathrow airport on it's final flight, the first of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic in London, Britain August 18, 2020. REUTERS/John Sibley

A British Airways Boeing 747 G-CIVD leaves London Heathrow airport on it's final flight, the first of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic, in London, Britain August 18, 2020. REUTERS/John Sibley

A British Airways Boeing 747 G-CIVD plane is seen at London Heathrow airport, one of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic in London, Britain August 18, 2020. REUTERS/John Sibley

A man photographs a British Airways Boeing 747 G-CIVD plane which leaves London Heathrow airport on it's final flight, the first of 31 jumbo jets to be retired early by the airline due to the coronavirus disease (COVID-19) pandemic in London, Britain August 18, 2020. REUTERS/John Sibley

A pair of modified Boeing 747 jets which serve as Air Force One presidential aircraft are seen at Joint Base Andrews, Maryland, U.S., July 29, 2020. REUTERS/Carlos Barria

A pair of Boeing 747 jets which serve as Air Force One presidential aircraft are seen at Joint Base Andrews, Maryland, U.S., July 29, 2020. REUTERS/Carlos Barria

A view shows the last Qantas Boeing 747 jumbo jet that departed from Sydney Airport, as Qantas prepares to retire its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) outbreak, in Sydney, Australia, July 22, 2020. REUTERS/Stephen Coates

A view shows the last Qantas Boeing 747 jumbo jet that departed from Sydney Airport, as Qantas prepares to retire its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) outbreak, in Sydney, Australia, July 22, 2020. REUTERS/Stephen Coates

A view shows the last Qantas Boeing 747 jumbo jet that departed from Sydney Airport, as Qantas prepares to retire its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) outbreak, in Sydney, Australia, July 22, 2020. REUTERS/Stephen Coates

People react as they watch the last Qantas 747 jet depart Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) outbreak, July 22, 2020. REUTERS/Loren Elliott TPX IMAGES OF THE DAY

People react as they watch the last Qantas 747 jet depart Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

People react as they watch the last Qantas 747 jet depart Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

People react as they watch the last Qantas 747 jet depart Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

People watch the last Qantas 747 jet depart Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) outbreak, July 22, 2020. REUTERS/Loren Elliott TPX IMAGES OF THE DAY

A member of the public uses his binoculars as he waits to watch the last departure of a Qantas 747 jumbo jet, from Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Members of the public wait at an outlook next to Sydney Airport, to watch the last departure of a Qantas 747 jumbo jet, in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Members of the public wait at an outlook next to Sydney Airport, to watch the last departure of a Qantas 747 jumbo jet, in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, speaks in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Attendees sit in chairs, spread out due to social distancing, at an event celebrating the final departure of a Qantas 747 jumbo jet from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

People attendan event celebrating the final departure of a Qantas 747 jumbo jet from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, and an indigenous Australian come down from a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Qantas pilots listen to Alan Joyce, Chief Executive Officer of Qantas, speak at an event celebrating the last departure of the final Qantas 747 jumbo jet from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, speaks in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, speaks in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, speaks in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, and an indigenous Australian walk in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Indigenous Australians perform a ritual in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, speaks in front of a Qantas 747 jumbo jet, before its last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

People write messages on the bottom of a Qantas 747 jumbo jet, before it's last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

A Qantas pilot writes a message on the bottom of a Qantas 747 jumbo jet, before it's last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

The signature of Alan Joyce, Chief Executive Officer of Qantas, is seen at the bottom of a Qantas 747 jumbo jet, before it's last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

A Qantas pilot writes a message on the bottom of a Qantas 747 jumbo jet, before it's last departure from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, attends a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, attends a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, greets an attendee at a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, does an elbow bump with an attendee at a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Alan Joyce, Chief Executive Officer of Qantas, attends a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

A pilot poses on a Qantas 747 jumbo jet before its last departure from the Sydney Airport in Sydney, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Staff members attend a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Staff members attend a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, Australia, July 22, 2020. REUTERS/Loren Elliott

Chairs are spaced out for social distancing, at a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic,, Australia, July 22, 2020. REUTERS/Loren Elliott