People hold balloons as they wait for the arrival of Pope Francis, in the town of Qaraqosh, Iraq, March 7, 2021. REUTERS/Ari Jalal

A police officer carries a balloon and a message for Britain's Prince Philip outside St Bartholomew's Hospital, where he has been admitted, in London, Britain, March 3, 2021. REUTERS/Henry Nicholls

A police officer carries a balloon and a message for Britain's Prince Philip outside St Bartholomew's Hospital, where he has been admitted, in London, Britain, March 3, 2021. REUTERS/Henry Nicholls

A street vendor holds his balloons during a protest against the fall in Lebanese pound currency and mounting economic hardship, in Beirut, Lebanon March 2, 2021. REUTERS/Issam Abdallah

Toy cars, balloons and a picture of three-year-old Tomas Bravo, whose body was found by a police search team after he had disappeared nine days ago, are seen in Raqui Alto, Chile February 26, 2021. REUTERS/Jose Luis Saavedra

People hold white balloons near the area where a police search team found the body of three-year-old Tomas Bravo, who had disappeared nine days ago, in Raqui Alto, Chile February 26, 2021. REUTERS/Jose Luis Saavedra

Balloons are attached to the railings outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain, February 24, 2021. REUTERS/Henry Nicholls

A balloon reading 'I love you so much' lies on a grave inside a cemetery as Chile hits 20,000 coronavirus disease (COVID-19) deaths amid ambitious vaccination program, in Santiago, Chile February 18, 2021. Picture taken February 18, 2021. REUTERS/Ivan Alvarado

Balloons with the names of the victims written on them are held outside one of the locations of an attack, where a man who had posted a racist manifesto online shot dead nine people in two shisha bars, during the commemoration of its one year anniversary, in Hanau, Germany February 19, 2021. REUTERS/Kai Pfaffenbach

A person holds balloons with the names of the victims written on them outside one of the locations of an attack, where a man who had posted a racist manifesto online shot dead nine people in two shisha bars, during the commemoration of its one year anniversary, in Hanau, Germany February 19, 2021. REUTERS/Kai Pfaffenbach

A person holds balloons with the names of the victims written on them outside one of the locations of an attack, where a man who had posted a racist manifesto online shot dead nine people in two shisha bars, during the commemoration of its one year anniversary, in Hanau, Germany February 19, 2021. REUTERS/Kai Pfaffenbach

A person carries balloons during Valentine's Day in Times Square in Manhattan, New York City, New York, U.S. February 14, 2021. REUTERS/Jeenah Moon

A man holds a balloon on Valentine's Day during the coronavirus disease (COVID-19) pandemic, in the Manhattan borough of New York City, New York, U.S. February 14, 2021. REUTERS/Caitlin Ochs TPX IMAGES OF THE DAY

A man carries heart-shaped balloons covered in plastic on Valentine's Day during the coronavirus disease (COVID-19) pandemic, in the Brooklyn borough of New York City, New York, U.S. February 14, 2021. REUTERS/Caitlin Ochs

An Afghan boy holds balloons for sale during a Valentine's Day celebration in Kabul, Afghanistan February 14, 2021. REUTERS/Mohammad Ismail

An Afghan man holds balloons for sale during a Valentine's Day celebration in Kabul, Afghanistan February 14, 2021. REUTERS/Mohammad Ismail

A woman takes a photo with her mobile phone as another holds a heart-shaped balloon as they shop at a florist ahead of Valentine's Day in Riyadh, Saudi Arabia February 13, 2021. Picture taken February 13, 2021. REUTERS/Ahmed Yosri

A girl runs with a balloon a day ahead of spring festival in Dhaka, Bangladesh, February 13, 2021. REUTERS/Mohammad Ponir Hossain

People play as a huge coronavirus-shaped balloon float in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

Huge coronavirus-shaped and submarine-shaped balloons float in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

People stand by as a huge coronavirus-shaped balloon floats in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

A huge coronavirus-shaped balloon float in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

A submarine-shaped balloon is taken to the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

Huge coronavirus-shaped and submarine-shaped balloons float in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern TPX IMAGES OF THE DAY

Huge coronavirus-shaped and submarine-shaped balloons are taken to the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

Huge coronavirus-shaped and submarine-shaped balloons float in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

Huge coronavirus-shaped and a submarine-shaped balloons float in the Yarkon River during a protest over Israeli governments handling of the coronavirus disease (COVID-19) crisis and Israeli Prime Minister Benjamin Netanyahu's alleged corruption, in Tel Aviv, Israel February 12, 2021. REUTERS/Corinna Kern

Valentine's Day balloons are seen for sale in the flower district, as the coronavirus disease (COVID-19) outbreak continues, in Los Angeles, California, U.S., February 4, 2021. REUTERS/Lucy Nicholson

A woman sells balloons in the flower district, as the coronavirus disease (COVID-19) outbreak continues, ahead of Valentine's Day in Los Angeles, California, U.S., February 4, 2021. REUTERS/Lucy Nicholson

Protesters carry a balloon depicting the coronavirus disease (COVID-19) during a demonstration against Israeli Prime Minister Benjamin Netanyahu as a hearing in his corruption trial takes place, outside Jerusalem's District Court February 8, 2021. REUTERS/Ammar Awad

A man wearing a red ribbon attaches balloons as he takes part in a campaign against the military coup in Yangon, Myanmar February 5, 2021. REUTERS/Stringer

Red balloons and T-shirts hang outside an apartment as local people take part in a campaign against the military coup in Yangon, Myanmar February 5, 2021. REUTERS/Stringer

Shops are decorated with red balloons during a campaign against the military coup in Yangon, Myanmar February 5, 2021. REUTERS/Stringer

Shops are decorated with red balloons during a campaign against the military coup in Yangon, Myanmar February 5, 2021. REUTERS/Stringer

Shops are decorated with red balloons during a campaign against the military coup in Yangon, Myanmar February 5, 2021. REUTERS/Stringer

A man wearing red ribbons inflates a balloon as he takes part in a campaign against the military coup in Yangon, Myanmar February 5, 2021. REUTERS/Stringer

People wearing red ribbons attach balloons during a protest against the military coup in Yangon, Myanmar, February 5, 2021. REUTERS/Stringer

A balloon with the portrait of Nepal's Prime Minister Khadga Prasad Sharma Oli, also known as K.P. Oli, is seen during a mass gathering in his support, after the dissolution of parliament, in Kathmandu, Nepal February 5, 2021. REUTERS/Navesh Chitrakar

A man sells balloons at a souk, during a lockdown to curb the spread of the coronavirus disease (COVID-19), in Tripoli, Lebanon February 1, 2021. REUTERS/Mohamed Azakir

Landry Nion, 9, plays balloons with other hospitalised children while waiting for his open heart surgery by French medical association "La Chaine de l'Espoir", which performs a first open-heart surgery campaign at the General Hospital Tengandogo, in Ouagadougou, Burkina Faso January 12, 2021. Picture taken January 12, 2021. REUTERS/Anne Mimault

Mannequins with balloon heads representing customers are seen on chairs at tables, installed by the restaurant owner to brighten up her empty restaurant "Chez Therese" in Rixensart to denounce the measures taken by the Belgian government as the spread of the coronavirus disease continues in Belgium, February 2, 2021. REUTERS/Johanna Geron

Mannequins with balloon heads representing customers are seen on chairs at tables, installed by the restaurant owner to brighten up her empty restaurant "Chez Therese" in Rixensart to denounce the measures taken by the Belgian government as the spread of the coronavirus disease continues in Belgium, February 2, 2021. REUTERS/Johanna Geron

Therese, owner of the restaurant "Chez Therese", poses next to mannequins with balloon heads representing customers and sitting on chairs at tables, to brighten up her empty restaurant in Rixensart to denounce the measures taken by the Belgian government as the spread of the coronavirus disease continues in Belgium, February 2, 2021. REUTERS/Johanna Geron

Mannequins with balloon heads representing customers are seen on chairs at tables, installed by the restaurant owner to brighten up her empty restaurant "Chez Therese" in Rixensart to denounce the measures taken by the Belgian government as the spread of the coronavirus disease continues in Belgium, February 2, 2021. REUTERS/Johanna Geron

Mannequins with balloon heads representing customers are seen on chairs at tables, installed by the restaurant owner to brighten up her empty restaurant "Chez Therese" in Rixensart to denounce the measures taken by the Belgian government as the spread of the coronavirus disease continues in Belgium, February 2, 2021. REUTERS/Johanna Geron

Mannequins with balloon heads representing customers are seen on chairs at tables, installed by the restaurant owner to brighten up her empty restaurant "Chez Therese" in Rixensart to denounce the measures taken by the Belgian government as the spread of the coronavirus disease continues in Belgium, February 2, 2021. REUTERS/Johanna Geron

Security guards wearing face masks carry a giant balloon in the shape of a fish ahead of the Chinese Lunar New Year festivity at Yu Garden, following the coronavirus disease (COVID-19) outbreak in Shanghai, China January 29, 2021. REUTERS/Aly Song TPX IMAGES OF THE DAY

Security guards wearing face masks carry a giant balloon in the shape of a fish ahead of the Chinese Lunar New Year festivity at Yu Garden, following the coronavirus disease (COVID-19) outbreak in Shanghai, China January 29, 2021. REUTERS/Aly Song

Security guards wearing face masks carry a giant balloon in the shape of a fish ahead of the Chinese Lunar New Year festivity at Yu Garden, following the coronavirus disease (COVID-19) outbreak in Shanghai, China January 29, 2021. REUTERS/Aly Song

Red balloons and smoke are seen during a ceremony to mark two years after the disaster of the tailings dam owned by Brazilian mining company Vale SA in Brumadinho, Minas Gerais state, Brazil, January 25, 2021. REUTERS/Washington Alves

Red balloons are seen during a ceremony to mark two years after the disaster of the tailings dam owned by Brazilian mining company Vale SA in Brumadinho, Minas Gerais state, Brazil, January 25, 2021. REUTERS/Washington Alves

A man holds balloons during a protest against Brazil's President Jair Bolsonaro and his handling of the coronavirus disease (COVID-19) outbreak in Sao Paulo, Brazil January 24, 2021. REUTERS/Amanda Perobelli

A plane passes in the background as the "Baby Trump" balloon makes an appearance at Independence Day celebrations in Washington, D.C., U.S., July 4, 2019. REUTERS/Carlos Barria/File Photo SEARCH "BARRIA POSTCARDS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A combination picture shows (L-R) Baby Trump balloon making an appearance at Independence Day celebrations in Washington, July 4, 2019, supporters attending a campaign rally by U.S. President Donald Trump at Michigan Sports Stars Park in Washington, Michigan, November 1, 2020, a man wearing a mask of President Trump posing for a picture with opposition supporters during a rally against Venezuelan President Nicolas Maduro's government in Caracas, Venezuela, February 2, 2019, and a supporter of President Trump wearing a mask as people participate in a "Stop the Steal" protest after the 2020 U.S. presidential election was called for Democratic candidate Joe Biden, in Washington, U.S. November 14, 2020. REUTERS/Carlos Barria SEARCH "BARRIA POSTCARDS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Health workers hold white balloons during a tribute for nurse Hortencia Collazo, who died of the coronavirus disease (COVID-19), outside the hospital where she worked in Ciudad Juarez, Mexico January 17, 2021. REUTERS/Jose Luis Gonzalez

Health workers hold white balloons during a tribute for nurse Hortencia Collazo, who died of the coronavirus disease (COVID-19), outside the hospital where she worked in Ciudad Juarez, Mexico January 17, 2021. REUTERS/Jose Luis Gonzalez

A paramedic aboard an ambulance holds a white balloon during a tribute for nurse Hortencia Collazo, who died of the coronavirus disease (COVID-19), outside the hospital where she worked in Ciudad Juarez, Mexico January 17, 2021. REUTERS/Jose Luis Gonzalez TPX IMAGES OF THE DAY

Balloons tied to a chair are pictured at Catalunya square on the eve of Epiphany, whose traditional Three Wise men parade was cancelled amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain January 5, 2021. REUTERS/Nacho Doce

Two of the Three Kings walk as they celebrate the eve of the Epiphany before flying over the city in a hot air balloon as coronavirus disease (COVID-19) restrictions prevent the traditional parade in Seville, Spain, January 5, 2021. REUTERS/Marcelo del Pozo

The Three Kings talk with the media as they celebrate the eve of the Epiphany before flying over the city in a hot air balloon as coronavirus disease (COVID-19) restrictions prevent the traditional parade in Seville, Spain, January 5, 2021. REUTERS/Marcelo del Pozo