This photograph shows the logo of French trade union Workers' Force (FO) is pictured on an employee's jacket during a strike at the Gravelines Nuclear Power Station in Gravelines, northern France, on September 15, 2026. Around 80% of the employees at the Gravelines nuclear power plant, the largest in Western Europe, were on strike on September 15, 2026, morning, according to the unions, as part of a nationwide movement to defend the preferential electricity rates enjoyed by staff. (Photo by Sameer Al-DOUMY / AFP via Getty Images)