France's Labour Minister Jean-Pierre Farandou (R), French trade union General Confederation of Labour (CGT) secretary general Sophie Binet (2L) and Spain's deputy Prime Minister and Minister of Labour and Social Economy Yolanda Diaz (C) speak as they take part in a working visit to the construction site of The Atocha Railway Station in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

France's Labour Minister Jean-Pierre Farandou (2L), French trade union General Confederation of Labour (CGT) secretary general Sophie Binet (R) and Spain's deputy Prime Minister and Minister of Labour and Social Economy Yolanda Diaz (C) pose for a 'selfie' with workers during a working visit to the construction site of The Atocha Railway Station in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

France's Labour Minister Jean-Pierre Farandou adjusts his earphone as he takes part in a press conference with Spain's deputy Prime Minister and Minister of Labour and Social Economy after a meeting at The Labour Ministry in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

France's Labour Minister Jean-Pierre Farandou addresses media representatives during a press conference with Spain's deputy Prime Minister and Minister of Labour and Social Economy after a meeting at The Labour Ministry in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

France's Labour Minister Jean-Pierre Farandou (R), French trade union General Confederation of Labour (CGT) secretary general Sophie Binet (2L) and Spain's deputy Prime Minister and Minister of Labour and Social Economy Yolanda Diaz (C) speak as they take part in a working visit to the construction site of The Atocha Railway Station in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

French trade union General Confederation of Labour (CGT) secretary general Sophie Binet looks on as she takes part in a working visit with France's Labour Minister and Spain's deputy Prime Minister and Minister of Labour and Social Economy to the construction site of The Atocha Railway Station in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

France's Labour Minister Jean-Pierre Farandou (L), French trade union General Confederation of Labour (CGT) secretary general Sophie Binet (R) and Spain's deputy Prime Minister and Minister of Labour and Social Economy Yolanda Diaz (C) walk as they take part in a working visit to the construction site of The Atocha Railway Station in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)

France's Labour Minister Jean-Pierre Farandou (R), French trade union General Confederation of Labour (CGT) secretary general Sophie Binet (3R) and Spain's deputy Prime Minister and Minister of Labour and Social Economy Yolanda Diaz (3L) listen to an unseen speaker as they take part in a working visit to the construction site of The Atocha Railway Station in Madrid on September 9, 2026. France's Labour Minister Jean-Pierre Farandou and others have travelled to Madrid to examine the Spanish system with a view to adapting the workplace to extreme heat. (Photo by Thomas COEX / AFP via Getty Images)