Catalan rap singer Alex Reis, 25, protects himself with his speaker as police officers fired foam bullets to disperse the crowd during a protest against the arrest of Catalan rap singer Pablo Hasel, after he was given a jail sentence on charges of glorifying terrorism and insulting royalty in his songs, in Barcelona, Spain February 18, 2021. Picture taken February 18, 2021. REUTERS/Nacho Doce

Soccer Football - Ligue 1 - Paris St Germain v Nimes Olympique - Parc de Princes, Paris, France - February 3, 2021 General view of the Ligue 1 logo on the foam microphone cover before the match REUTERS/Gonzalo Fuentes

People covered in foam take part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

People covered in foam take part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

A person covered in foam takes part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

A person covered in foam takes part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

A person covered in foam takes part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

People covered in foam take part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

People covered in foam take part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman

People covered in foam take part in a demonstration organised by workers in Belgium's health, social and cultural sector to protest against the Belgian authorities' management of the coronavirus disease (COVID-19) crisis, in Brussels, Belgium, November 13, 2020. REUTERS/Yves Herman TPX IMAGES OF THE DAY

An animal is seen grazing in the polluted water of the river Yamuna, covered in foam during a hazy morning, in New Delhi, India, October 14, 2020. REUTERS/Anushree Fadnavis

A herd of animals is seen crossing the polluted water of the river Yamuna, covered in foam during a hazy morning, in New Delhi, India, October 14, 2020. REUTERS/Anushree Fadnavis

A protester sprays foam insulation on a fence in front of the courthouse as a preventative measure to block less lethal munitions before a protest against racial inequality and police violence in Portland, Oregon, U.S., July 31, 2020. REUTERS/Caitlin Ochs

A protester sprays foam insulation on a fence in front of the courthouse as a preventative measure to block less lethal munitions before a protest against racial inequality and police violence in Portland, Oregon, U.S., July 31, 2020. REUTERS/Caitlin Ochs

A worker applies foam to clean the bull during a spray wash at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

A woman takes pictures as spray is thrown up by huge swells as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

A rainbow is seen as a woman takes pictures as spray is thrown up by huge swells as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings

A rainbow is seen as a woman takes pictures as spray is thrown up by huge swells as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings

A man in a wheelchair takes pictures as spray is thrown up by huge swells as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

A man in a wheelchair takes pictures as spray is thrown up by huge swells as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings

People watch as spray is thrown up by huge swells as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings

A woman takes pictures as huge swells churn up the sea as a cold front moves in over Cape Town, South Africa July 13, 2020. REUTERS/Mike Hutchings

People watch huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings

People watch huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings

People are drenched by sea spray thrown up by huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings

People are drenched by sea spray thrown up by huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings

People are drenched by sea spray thrown up by huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

People are drenched by sea spray thrown up by huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings

People watch spray thrown up by huge swells as a cold front moves in over Cape Town, South Africa, July 13, 2020. REUTERS/Mike Hutchings

Firefighters apply foam on the wreckage of a small plane that crashed and killed its pilot in Sao Paulo, Brazil July 8, 2020. REUTERS/Amanda Perobelli

A combination picture shows people playing at a foam party during Songkran Water Festival celebrations, to commemorate the Thai New Year in Bangkok April 13, 2017, and a view of the same empty square at Central World shopping mall during the outbreak of the coronavirus disease (COVID-19), in Bangkok, Thailand April 13, 2020. REUTERS/Jorge Silva

An elderly man puts on shaving foam as he sits on his balcony during a countrywide lockdown to combat the spread of the coronavirus disease (COVID-19), in Sidon, Lebanon April 9, 2020. REUTERS/Ali Hashisho

A municipality worker in a protective suit sprays a disinfectant along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A municipality worker in a protective suit sprays a disinfectant along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A municipality worker in a protective suit sprays a disinfectant on an embankment along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A municipality worker in a protective suit sprays a disinfectant along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny TPX IMAGES OF THE DAY

A municipality worker wearing a protective face mask sprays disinfectant on railings along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A municipality worker wearing a protective face mask disinfects handrails along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A municipality worker in a protective suit sprays a disinfectant on an embankment along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A municipality worker in a protective suit sprays a disinfectant on an embankment along the Vltava river to curb the spread of the coronavirus disease (COVID-19) in Prague, Czech Republic, April 1, 2020. REUTERS/David W Cerny

A worker wearing protective suit looks at signs partially covered in foam while cleaning and disinfecting an underpass to prevent the spread of coronavirus disease (COVID-19), in downtown Budapest, Hungary, March 26, 2020. REUTERS/Bernadett Szabo

An employee prepares foam to make a face shield at Kaas Tailored, which is working with Providence to make thousands of masks and face shields a day for healthcare workers during the coronavirus disease (COVID-19) outbreak in Mukilteo, Washington, U.S. March 24, 2020. REUTERS/Lindsey Wasson

An employee prepares foam to make a face shield at Kaas Tailored, which is working with Providence to make thousands of masks and face shields a day for healthcare workers during the coronavirus disease (COVID-19) outbreak in Mukilteo, Washington, U.S. March 24, 2020. REUTERS/Lindsey Wasson

Dozens of foam pieces sit in a bin, ready to be added to face shields at Kaas Tailored, which is working with Providence to make thousands of masks and face shields a day for healthcare workers during the coronavirus disease (COVID-19) outbreak in Mukilteo, Washington, U.S. March 24, 2020. REUTERS/Lindsey Wasson

Freshly cut foam is seen on a table as volunteers assemble face shields to meet an urgent need of local hospitals for personal protective equipment, during the coronavirus disease (COVID-19) outbreak, at the Providence Health and Services corporate offices in Renton, Washington, U.S. March 19, 2020. REUTERS/David Ryder

Foam covers the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

Foam covers the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

Foam covers the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

Foam covers the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

Foam covers the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

A man looks at foam covering the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

Foam covers the Santiago River, whose polluted waters have been linked to global manufacturers by the government of the Mexican state of Jalisco, in Juanacatlan, Mexico February 7, 2020. Picture taken February 7, 2020. REUTERS/Fernando Carranza

A woman offers spray foam and beer for sale during the carnival parade in Oruro, Bolivia, February 22, 2020. REUTERS/David Mercado

People view luminarie light sculptures amid snow foam during the Christmas Wonderland event at Gardens by the Bay in Singapore, December 15, 2019. Picture taken December 15, 2019. REUTERS/Loriene Perera

A boy plays with foam formed from pollution at the Marina beach in Chennai, India, November 29, 2019. REUTERS/P. Ravikumar

A boy plays with foam formed from pollution at the Marina beach in Chennai, India, November 29, 2019. REUTERS/P. Ravikumar

People stand on the Marina beach filled with foam formed from pollution in Chennai, India, November 29, 2019. REUTERS/P. Ravikumar

People pose for pictures as they stand amidst the foam covering the polluted Yamuna river on a smoggy morning in New Delhi, India, November 3, 2019. REUTERS/Adnan Abidi

Masked participants spar with foam sticks during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu

Masked participants hold foam sticks during a self-defence class organised by a student union at the Chinese University of Hong Kong, in Hong Kong, China October 15, 2019. Picture taken October 15, 2019. REUTERS/Tyrone Siu