A blimp passes in the sky as a U.S. Army Chinook helicopter flies over Kabul, Afghanistan August 15, 2021. REUTERS/Stringer REFILE - CORRECTING FORCES 

An airplane is seen at the airport as returning tourists have to provide a negative COVID-19 test as the spread of the coronavirus disease continues in Frankfurt, Germany, March 29, 2021. REUTERS/Kai Pfaffenbach 

A blimp depicting U.S. President Donald Trump is seen stuck on a tree at Black Lives Matter plaza in Washington, U.S. November 8, 2020. REUTERS/Tom Brenner TPX IMAGES OF THE DAY 

A giant inflatable blimp depicting U.S. President Donald Trump is seen as supporters of Democratic U.S. presidential nominee Joe Biden celebrate after news media declared Biden to be the winner of the 2020 U.S. presidential election, in Washington, U.S., November 7, 2020. REUTERS/Michael A. McCoy 

A giant inflatable blimp depicting U.S. President Donald Trump is seen in the front garden of a home with a "Biden for President" sign during the 2020 U.S. presidential election, in Los Angeles, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY 

A giant inflatable blimp depicting Boris Johnson is flown near The Houses of Parliament ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is flown near the Houses of Parliament, ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson TPX IMAGES OF THE DAY 

A giant inflatable blimp depicting Boris Johnson is flown near a statue of former British Prime Minister Winston Churchill opposite the Houses of Parliament, ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is flown near The Houses of Parliament ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is seen near The Houses of Parliament ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is seen ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is seen ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is seen ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is flown ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

A giant inflatable blimp depicting Boris Johnson is flown ahead of anti-Brexit 'No to Boris, Yes to Europe' protest in London, Britain July 20,2019. REUTERS/Simon Dawson 

People hold a giant inflatable blimp depicting Uncle Sam during Independence Day celebrations in Washington, DC, U.S. July 4, 2019. REUTERS/Eric Thayer 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting U.S. President Donald Trump as a pouting baby arrives in Dublin, Ireland June 6, 2019. REUTERS/Padraic Halpin 

A giant inflatable blimp depicting Donald Trump as a pouting baby floats during an anti-Trump protest in London, Britain, June 4, 2019. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY 

A U.S. Customs and Border Protection Air and Marine Operations aerostat, which is a tethered blimp-type airship deployed to combat illegal activity along the border, is pictured near Penitas, Texas, U.S., April 7, 2019. REUTERS/Loren Elliott 

Demonstrators fly a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and first lady Melania Trump in London, Britain, July 13, 2018. Reuters photographer Peter Nicholls: "I took this picture of the Trump blimp from a wall at the back of Parliament Square, to get a clear view from above the crowd, as it was revealed for the first time, prior to a day of protests during his visit to the UK, mid-July." REUTERS/Peter Nicholls SEARCH "TRUMP POY" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY. 

Demonstrators launch a giant bikini-clad blimp of London Mayor Sadiq Khan over Parliament Square in Westminster London, Britain, September 1, 2018. REUTERS/Simon Dawson 

Demonstrators launch a giant bikini-clad blimp of London Mayor Sadiq Khan over Parliament Square in Westminster London, Britain, September 1, 2018. REUTERS/Simon Dawson 

Demonstrators launch a giant bikini-clad blimp of London Mayor Sadiq Khan over Parliament Square in Westminster London, Britain, September 1, 2018. REUTERS/Simon Dawson 

Demonstrators launch a giant bikini-clad blimp of London Mayor Sadiq Khan over Parliament Square in Westminster London, Britain, September 1, 2018. REUTERS/Simon Dawson 

A blimp resembling U.S. President Donald Trump floats above demonstrators marching to protest against the visit of Trump, in Edinburgh, Scotland July 14, 2018. REUTERS/Andrew Yates 

A blimp resembling U.S. President Donald Trump floats above demonstrators marching to protest against the visit of Trump, in Edinburgh, Scotland July 14, 2018. REUTERS/Andrew Yates 

A blimp resembling U.S. President Donald Trump floats above demonstrators marching to protest against the visit of Trump, in Edinburgh, Scotland July 14, 2018. REUTERS/Andrew Yates 

Demonstrators fly a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and first lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY 

Demonstrators surround a blimp resembling U.S. President Donald Trump as they protest against the visit of Trump, in central London, Britain, July 13, 2018. REUTERS/Yves Herman 

Demonstrators slowly deflate a blimp portraying U.S. President Donald Trump that had been floating over Parliament Square, during the visit by Trump and First Lady Melania Trump, in London, Britain July 13, 2018. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY 

Demonstrators slowly deflate a blimp portraying U.S. President Donald Trump that had been floating over Parliament Square, during the visit by Trump and First Lady Melania Trump, in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators slowly deflate a blimp portraying U.S. President Donald Trump that had been floating over Parliament Square, during the visit by Trump and First Lady Melania Trump, in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators slowly deflate a blimp portraying U.S. President Donald Trump that had been floating over Parliament Square, during the visit by Trump and First Lady Melania Trump, in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump above Parliament Square, during the visit by Trump and First Lady Melania Trump, in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators fly a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY 

Demonstrators float a blimp portraying U.S. President Donald Trump, behind a tourist bus in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump, behind a police vehicle in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump, behind a red tourist bus in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump, next to a Union Flag above Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump, next to a Union Flag above Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump, above Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators float a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Onlookers look at a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Onlookers stand in front of a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators stand in front of a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators stand in front of a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators fly a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators fly a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls 

Demonstrators fly a blimp portraying U.S. President Donald Trump, in Parliament Square, during the visit by Trump and First Lady Melania Trump in London, Britain July 13, 2018. REUTERS/Peter Nicholls