A nurse collects blood samples inside a local school's hall used as a mobile clinic set up by Stavros Niarchos mobile medical unit on Sikinos Island, on December 14, 2024. Converted into medical examination units, the trucks and local school are part of a campaign funded over the past decade by the Stavros Niarchos foundation, one of Greece's most powerful philanthropic institutions, to bring free care to the inhabitants of remote islands and regions. (Photo by Spyros BAKALIS / AFP) (Photo by SPYROS BAKALIS/AFP via Getty Images)