Protesters attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. The slogan reads "we won't give up". REUTERS/Benoit Tessier 

The original manuscript of "La francesa Laura" ("French Laura"), that artificial intelligence attributes to Spanish classical author Lope de Vega, at the National Library of Spain, in Madrid, Spain, January 31, 2023. REUTERS/Juan Medina 

The original manuscript of "La francesa Laura" ("French Laura"), that artificial intelligence attributes to Spanish classical author Lope de Vega at the National Library of Spain, in Madrid, Spain, January 31, 2023. REUTERS/Juan Medina 

A general view shows balloons of French CGT labour union and protesters gathering at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

Femimist activists dressed as Rosie the Riveter icon attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

The original manuscript of "La francesa Laura" ("French Laura"), that artificial intelligence attributes to Spanish classical author Lope de Vega at the National Library of Spain, in Madrid, Spain, January 31, 2023. REUTERS/Juan Medina 

Activists dressed as Rosie the Riveter feminist icon attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

Protesters hold a rainbow coloured umbrella during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

Protesters hold a rainbow coloured umbrella during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

A worker shows an original manuscript of "La francesa Laura" ("French Laura"), that artificial intelligence attributes to Spanish classical author Lope de Vega at the National Library of Spain, in Madrid, Spain, January 31, 2023. REUTERS/Juan Medina 

Protesters hold a placard depicting French President Emmanuel Macron as a king during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. The slogan reads "No to the Macron's pension reform". REUTERS/Gonzalo Fuentes 

Camilla, the Queen Consort and Colonel of the Grenadier Guards, speaks to soldiers after presenting medals to members of 1st Battalion as she visits Lille Barracks in Aldershot, England, Tuesday, Jan. 31, 2023. The Queen Consort meets members of the Battalion, presents medals and meets families during her visit. Alastair Grant/Pool via REUTERS 

Protesters attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

Protesters hold a banner during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

Camilla, the Queen Consort and Colonel of the Grenadier Guards, speaks to soldiers after presenting medals to members of 1st Battalion as she visits Lille Barracks in Aldershot, England, Tuesday, Jan. 31, 2023. The Queen Consort meets members of the Battalion, presents medals and meets families during her visit. Alastair Grant/Pool via REUTERS 

Camilla, the Queen Consort and Colonel of the Grenadier Guards, speaks to soldiers after presenting medals to members of 1st Battalion as she visits Lille Barracks in Aldershot, England, Tuesday, Jan. 31, 2023. The Queen Consort meets members of the Battalion, presents medals and meets families during her visit. Alastair Grant/Pool via REUTERS 

A general view shows protesters, members of French Socialist party and members of the EELV ecologist party gathering at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

A general view shows protesters, members of French Socialist party and members of the EELV ecologist party gathering at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

A general view shows balloons of French CGT labour union and protesters gathering at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

Camilla, the Queen Consort and Colonel of the Grenadier Guards, arrives for a group photo as she visits Lille Barracks in Aldershot, England, Tuesday, Jan. 31, 2023. The Queen Consort meets members of the Battalion, presents medals and meets families during her visit. Alastair Grant/Pool via REUTERS 

People arrive for a day of ski and snowboard in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

People enjoy a day of ski and snowboard in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

People enjoy a day of ski and snowboard in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

Skiers and snowboarders queue at a chair-lift in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

Protesters holding French CGT labour union flags gather at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

A horse pulls a sledge in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

People enjoy a day of ski and snowboard in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

People enjoy a day of ski and snowboard in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

People pull a sledge in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

Skiers and snowboarders queue at a chair-lift in the winter sports resort of Avoriaz, France, January 31, 2023. REUTERS/Denis Balibouse 

A general view shows a balloon of French CGT labour union and protesters gathering at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

French CGT labour union leader Philippe Martinez, Democratic Confederation of Labour (CFDT) union's general secretary Laurent Berger, Laurent Escure, General secretary of France National Union of Autonomous Trade Unions (Union nationale des Syndicats Autonomes - UNSA) attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

French CFE-CGC labour union's president Francois Hommeril, CGT labour union leader Philippe Martinez, Democratic Confederation of Labour (CFDT) union's general secretary Laurent Berger, Laurent Escure, General secretary of France National Union of Autonomous Trade Unions (Union nationale des Syndicats Autonomes - UNSA), and other labour unions representatives attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

French Force Ouvriere (FO) union general secretary Frederic Souillot, Benoit Teste, General Secretary of the Federation Syndicale Unitaire (FSU), CFE-CGC labour union's president Francois Hommeril, CGT labour union leader Philippe Martinez, and Democratic Confederation of Labour (CFDT) union's general secretary Laurent Berger attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

French CFE-CGC labour union's president Francois Hommeril, CGT labour union leader Philippe Martinez, Democratic Confederation of Labour (CFDT) union's general secretary Laurent Berger, Laurent Escure, General secretary of France National Union of Autonomous Trade Unions (Union nationale des Syndicats Autonomes - UNSA), and other labour unions representatives attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

French CFE-CGC labour union's president Francois Hommeril, CGT labour union leader Philippe Martinez, Democratic Confederation of Labour (CFDT) union's general secretary Laurent Berger, Laurent Escure, General secretary of France National Union of Autonomous Trade Unions (Union nationale des Syndicats Autonomes - UNSA), attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

German Economy Minister Robert Habeck and Siemens Gamesa CEO Jochen Eickholt address the media at the Siemens Gamesa plant for offshore production in Cuxhaven, Germany, January 31, 2023. REUTERS/Cathrin Mueller 

A general view shows protesters gathering at Place d'Italie during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

Camilla, the Queen Consort and Colonel of the Grenadier Guards, arrives for a group photo as she visits Lille Barracks in Aldershot, England, Tuesday, Jan. 31, 2023. The Queen Consort meets members of the Battalion, presents medals and meets families during her visit. Alastair Grant/Pool via REUTERS 

French Armies Minister Sebastien Lecornu welcomes the Ukrainian Defence minister for an official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

French Armies Minister Sebastien Lecornu reviews a guard of honour during an official visit of the welcomes the Ukrainian Defence minister at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

French Armies Minister Sebastien Lecornu arrives to welcome the Ukrainian Defence minister for an official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

French Armies Minister Sebastien Lecornu welcomes the Ukrainian Defence minister for an official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

French Armies Minister Sebastien Lecornu and Ukrainian Defence Minister Oleksii Reznikov attend a meeting during Reznikov's official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

Ukrainian Defence Minister Oleksii Reznikov makes an official visit to the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

German Economy Minister Robert Habeck speaks during his visit to the Siemens Gamesa plant for offshore production in Cuxhaven, Germany, January 31, 2023. REUTERS/Cathrin Mueller 

French Armies Minister Sebastien Lecornu and Ukrainian Defence Minister Oleksii Reznikov pose during Reznikov's official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

Activists dressed as Rosie the Riveter feminist icon attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

Femimist activists dressed as Rosie the Riveter icon attend a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Benoit Tessier 

A worker assembles a wind turbine at the Siemens Gamesa plant for offshore production in Cuxhaven, Germany, January 31, 2023. REUTERS/Cathrin Mueller 

A man wearing a yellow vest holds a placard with a portrait of French President Emmanuel Macron and the slogan "Let them come get me" during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

Protesters hold a placard which reads "Women, 22% less pay. And it seems that we cry for nothing" during a demonstration against French government's pension reform plan in Paris as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Gonzalo Fuentes 

German Economy Minister Robert Habeck speaks during his visit to the Siemens Gamesa plant for offshore production in Cuxhaven, Germany, January 31, 2023. REUTERS/Cathrin Mueller 

French Armies Minister Sebastien Lecornu (C) welcomes Ukrainian Defence Minister Oleksii Reznikov (R) for an official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

A protester holds a placard depicting French President Emmanuel Macron with the slogan "Public danger" during a demonstration against French government's pension reform plan in Saint-Nazaire as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Stephane Mahe 

French energy workers gather to protest against French government's pension reform plan in front of the French oil giant TotalEnergies refinery in Donges near Saint-Nazaire as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Stephane Mahe 

Ukrainian Defence Minister Oleksii Reznikov reviews a guard of honour pose during an official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

French Armies Minister Sebastien Lecornu (R) and Ukrainian Defence Minister Oleksii Reznikov review a guard of honour pose during Reznikov's official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS POOL/Pool via REUTERS 

French Armies Minister Sebastien Lecornu (L) welcomes Ukrainian Defence Minister Oleksii Reznikov (R) for an official visit at the Hotel de Brienne, the French Ministry of Armed Forces, in Paris on January 31, 2023. JULIE SEBADELHA/Pool via REUTERS 

A protester holds a placard depicting French President Emmanuel Macron with the slogan "Public danger" during a demonstration against French government's pension reform plan in Saint-Nazaire as part of a day of national strike and protests in France, January 31, 2023. REUTERS/Stephane Mahe