School staff, wearing protective face masks, stand in the courtyard at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

A schoolgirl washes her hands as she enters the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

A schoolgirl wearing a protective face mask enters the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

A schoolgirl washes her hands as she enters the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

A sign reading "Keep your distance" is seen at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

A schoolgirl is seen at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Social distancing signs are seen on a table as schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren, wearing protective face masks, line up as they enter the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren listen to their teacher at the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren line up as they enter the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

Schoolchildren line up to enter the primary school Simone Veil during its reopening in Nice as a small part of French children head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 12, 2020. REUTERS/Eric Gaillard

France's President Emmanuel Macron delivers a speech during the presentation of the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

France's President Emmanuel Macron delivers a speech during the presentation of the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

France's President Emmanuel Macron, Cameroonian activist Aissa Doumara Ngatansou and Brigitte Macron pose at the end of the Simone Veil prize presentation, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

France's President Emmanuel Macron delivers a speech during the presentation of the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

Cameroonian activist Aissa Doumara Ngatansou delivers a speech after she received the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

Cameroonian activist Aissa Doumara Ngatansou delivers a speech after she received the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

Pierre-Francois Veil, Cameroonian activist Aissa Doumara Ngatansou, France President's Emmanuel Macron, Delphine Horvilleur and Jean Veil pose for a picture during the presentation of the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

France's President Emmanuel Macron delivers a speech during the presentation of the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

France's President Emmanuel Macron delivers a speech during the presentation of the Simone Veil prize, at the Elysee Palace, in Paris, France March 8, 2019. Thibault Camus/Pool via REUTERS

A vandalized mailbox with a swastika covering a portrait of the late Holocaust survivor and renowned French politician Simone Veil is seen before its renovation in Paris, France, February 12, 2019. The portrait was painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

French street artist Christian Guemy, known as C215, cleans the vandalized mailboxes with swastikas covering the portraits of the late Holocaust survivor and renowned French politician Simone Veil, as Paris mayor Anne Hidalgo looks on in Paris, France, February 12, 2019. REUTERS/Benoit Tessier

Paris mayor Anne Hidalgo, Pierre-Francois Veil and street artist Christian Guemy stand next to vandalized mailboxes with swastikas covering portraits of the late Holocaust survivor and renowned French politician Simone Veil in Paris, France, February 12, 2019. The portraits were painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

A vandalized mailbox with a swastika covering a portrait of the late Holocaust survivor and renowned French politician Simone Veil is seen before its renovation in Paris, France, February 12, 2019. The portrait was painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

Vandalized mailboxes with swastikas covering portraits of the late Holocaust survivor and renowned French politician Simone Veil are seen before renovation in Paris, France, February 12, 2019. The portraits were painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

French street artist Christian Guemy, known as C215, cleans the vandalized mailboxes with swastikas covering the portrait of the late Holocaust survivor and renowned French politician Simone Veil, in Paris, France, February 12, 2019. REUTERS/Benoit Tessier

Vandalized mailboxes with swastikas covering portraits of the late Holocaust survivor and renowned French politician Simone Veil is seen before its renovation in Paris, France, February 12, 2019. The portraits were painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

Vandalized mailboxes with swastikas covering portraits of the late Holocaust survivor and renowned French politician Simone Veil is seen before its renovation in Paris, France, February 12, 2019. The portraits were painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

A vandalized mailbox with a swastika covering a portrait of the late Holocaust survivor and renowned French politician Simone Veil is seen before its renovation in Paris, France, February 12, 2019. The portrait was painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

A vandalized mailbox with a swastika covering a portrait of the late Holocaust survivor and renowned French politician Simone Veil is seen before its renovation in Paris, France, February 12, 2019. The portrait was painted by street artist Christian Guemy, also known as C215. REUTERS/Benoit Tessier

A French Republican Guard carries the Legion of Honour medal of late Auschwitz survivor and French health minister Simone Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Christophe Petit Tesson/Pool via Reuters

The Legion of Honour medal rests on the flag-draped coffin of late Auschwitz survivor and French health minister Simone Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Christophe Petit Tesson/Pool via Reuters

French Republican Guards carry the flag-draped coffin of late Auschwitz survivor and French health minister Simone Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Christophe Petit Tesson/Pool via Reuters

French President Emmanuel Macron (L) greets National Assembly speaker Francois de Rugy, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy and former President Francois Hollande as they attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

Holocaust survivor Paul Schaffer attends a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters?

French author and human rights activist Marek Halter attends a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters?

A member of the Pantheon's staff opens the doors of the Pantheon during the national tribute to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

Holocaust survivor Paul Schaffer (L) and Sidney Toledano, Chairman and CEO of LVMH Fashion Group, arrive to attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters?

Holocaust survivor Paul Schaffer (L) and Sidney Toledano, Chairman and CEO of LVMH Fashion Group, arrive to attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters?

From 2ndL-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, former French President Francois Hollande and his partner French actress Julie Gayet attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

From L-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, former French President Francois Hollande and his partner French actress Julie Gayet attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

From L-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, and former French President Francois Hollande attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

From L-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, and former French President Francois Hollande attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

From 2ndL-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, former French President Francois Hollande and his partner French actress Julie Gayet attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

From L-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, former French President Francois Hollande and his partner French actress Julie Gayet talk as they attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

From L-R, former French President Nicolas Sarkozy, his wife Carla Bruni-Sarkozy, former French President Francois Hollande and his partner French actress Julie Gayet talk as they arrive to attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

Former French President Nicolas Sarkozy (2ndL) and his wife Carla Bruni (2ndR) talk with Jean Veil (L) and Pierre-Francois Veil, the sons of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, before a tribute at the Pantheon in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

Former French President Nicolas Sarkozy, former French President Francois Hollande and his partner French actress Julie Gayet talk as they attend a national tribute at the Pantheon to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French Repubican Guards carry flag-draped coffins of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French Repubican Guards carry flag-draped coffins of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French President Emmanuel Macron and his wife Brigitte follow French Republican Guards who carry the flag-draped coffins of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French President Emmanuel Macron and his wife Brigitte the flag-draped coffins of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French President Emmanuel Macron and his wife Brigitte pay their respects near the flag-draped coffins of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French President Emmanuel Macron and his wife Brigitte follow French Republican Guards who carry the flag-draped coffins of late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil during a national tribute before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters

French President Emmanuel Macron and his wife Brigitte Macron attend a national tribute to late Auschwitz survivor and French health minister Simone Veil and her late husband Antoine Veil before being laid to rest in the crypt of the Pantheon mausoleum, in Paris, France, July 1, 2018. Ludovic Marin/Pool via Reuters