A man wearing a protective mask prepares to vote at a polling station during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

The incumbent Mayor of Paris Anne Hidalgo (L, front) leaves a polling station of the 15th district during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

People wearing protective masks prepare to vote at a polling station during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

People wearing protective masks prepare to vote at a polling station during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

A bottle of hydro-alcoholic gel is seen at a polling station during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

The incumbent Mayor of Paris Anne Hidalgo (3rd L) arrives with her husband Jean-Marc Germain (2nd L) at a polling station of the 15th district during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

A woman wearing a protective mask prepares to vote at a polling station during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)

Electoral workers are seen at a polling station during the second round of municipal elections in Paris, France, June 28, 2020. As COVID-19 epidemic indicators keep improving in France, some 16.5 million voters are called to cast ballots on Sunday in the second round of municipal elections under strict health protocol. The second round of mayoral elections was originally planned for March 22, but the worsening coronavirus outbreaks and the anti-virus lockdown had forced the French government to postpone it. (Photo by Aurelien Morissard/Xinhua)