Supporters of South Africa's former President Jacob Zuma parade in front of his house, in Nkandla, South Africa February 15, 2021. REUTERS/Rogan Ward

Umkhonto we Sizwe's military veterans and supporters of South Africa's former President Jacob Zuma parade in front of his house, in Nkandla, South Africa February 15, 2021. REUTERS/Rogan Ward

Bell ringers, or "Zvoncari", take part in a parade near Kastav, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", walk in woods during a parade near Kastav, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade near Kastav, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade near Kastav, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Umkhonto we Sizwe's military veterans show support to South Africa's former President Jacob Zuma as they parade in front of his house, in Nkandla, South Africa February 15, 2021. REUTERS/Rogan Ward

Bell ringers, or "Zvoncari", walk in woods during a parade near Kastav, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade in a village near Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade in a village Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade near Kastav, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade in a village Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade in a village Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade in a village Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers', or "Zvoncari" masks are seen on a wall during a parade in a village Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

Bell ringers, or "Zvoncari", take part in a parade in a village Marcelji, Croatia, February 15, 2021. REUTERS/Antonio Bronic

A carnival float displays figures depicting the novel coronavirus and "the carnival virus 2021", as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus disease (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A combination of two images shows the Town hall square Rathausplatz in Duesseldorf during a Fridays for Future demonstration using a 2019 Rose Monday float depicting Greta Thunberg, in Germany, March 15, 2019, and the empty square as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the COVID-19 pandemic, February 15, 2021. REUTERS/Wolfgang/Rattay/Thilo Schmuelgen

A view of an empty Town hall square Rathausplatz in Duesseldorf as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the COVID-19 pandemic, February 15, 2021. REUTERS/Thilo Schmuelgen

A person rides a bike near a carnival float, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus disease (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A person walks as a carnival float displays a Merkel-Armin hybrid figure, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus disease (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A combination of two images shows a carnival float at Duesseldorf's Grabbeplatz displaying figures depicting the novel coronavirus and "the carnival virus" during the Rose Monday parade in Duesseldorf, Germany February 24, 2020, and a similar float in the same location during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the COVID-19 pandemic, February 15, 2021. REUTERS/Thilo Schmuelgen

People in costumes ride bicycles, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus disease (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting the novel coronavirus and "the carnival virus 2021" during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the COVID-19 pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting the climate change, personification of the planet Earth and the novel coronavirus, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting Russian President Vladimir Putin and Russian opposition politician Alexei Navalny, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting the climate change, personification of the planet Earth and the novel coronavirus, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting the novel coronavirus and "the carnival virus 2021", as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

Revellers walk as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a Merkel-Armin hybrid figure, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting Jaroslaw Kaczynski, leader of the ruling Polish Law and Justice (PiS) party and a personification of abortion law, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a figure depicting former U.S. President Donald Trump, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting Jaroslaw Kaczynski, leader of the ruling Polish Law and Justice (PiS) party and a personification of abortion law during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting the climate change, personification of the planet Earth and the novel coronavirus during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a figure depicting a person who doesn't believe in the existence of the novel coronavirus during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a figure depicting former U.S. President Donald Trump during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting Russian President Vladimir Putin and Russian opposition politician Alexei Navalny during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting Russian President Vladimir Putin and Russian opposition politician Alexei Navalny during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting Jaroslaw Kaczynski, leader of the ruling Polish Law and Justice (PiS) party and a personification of abortion law during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

Jacques Tilly, a maker of carnival floats, poses for a picture as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a Merkel-Armin hybrid figure during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays figures depicting the novel coronavirus and "the carnival virus 2021" during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a figure depicting the novel coronavirus during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float displays a figure depicting the novel coronavirus during a media preview, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Duesseldorf, Germany February 15, 2021. REUTERS/Thilo Schmuelgen

A reveller walks as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

Revellers walk as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

A reveller is seen as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

Revellers ride their bikes, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

Revellers gesture while riding their bikes, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float depicting North Rhine-Westphalia's State Premier Armin Laschet, set up by Greenpeace activists, is seen, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float depicting North Rhine-Westphalia's State Premier Armin Laschet, set up by Greenpeace activists, is seen, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float depicting North Rhine-Westphalia's State Premier Armin Laschet, set up by Greenpeace activists, is seen, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

A carnival float depicting North Rhine-Westphalia's State Premier Armin Laschet, set up by Greenpeace activists, is seen, as the traditional "Rosenmontag" (Rose Monday) parade has been cancelled due to the coronavirus (COVID-19) pandemic, in Cologne, Germany, February 15, 2021. REUTERS/Thilo Schmuelgen

Health workers hold the key of the city, delivered by Rio de Janeiro's Mayor Eduardo Paes, which use to be delivered to the Rei Momo, or Carnival King, as a carnival opening ceremony, at Rio de Janeiro's sambadrome, where Samba Schools usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes

Rio de Janeiro's Mayor Eduardo Paes delivers the key of the city, which use to be delivered to the Rei Momo, or Carnival King, as a carnival opening ceremony, to health workers at Rio de Janeiro's sambadrome, where Samba Schools usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes

Rio de Janeiro's Mayor Eduardo Paes delivers the key of the city, which use to be delivered to the Rei Momo, or Carnival King, as a carnival opening ceremony, to health workers at Rio de Janeiro's sambadrome, where Samba Schools usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes

A view shows the empty Rio de Janeiro's sambadrome, which is lighted up with the colours of traditional Samba Schools that usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes

The Rei Momo, or Carnival King is pictured in Rio de Janeiro's sambadrome, which is lighted up with the colours of traditional Samba Schools that usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

A man takes is seen inside Rio de Janeiro's sambadrome, which is lighted up with the colours of traditional Samba Schools that usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

A view shows the empty Rio de Janeiro's sambadrome, lighted up with the colours of traditional Samba Schools that usually take part in parades during the Carnival celebrations which were to be held from February 12 until February 17, but were cancelled due the coronavirus disease (COVID-19) pandemic, in Rio de Janeiro, Brazil February 12, 2021. REUTERS/Ricardo Moraes