Mexican student Saul Lara, who studies political science at the National Autonomous University of Mexico (UNAM) -which takes him two hours to get to every day- takes a nap in the subway in Mexico City, on October 21, 2024. Mexico City faces a "serious situation" that "forces 100,000 people to leave each year because they cannot afford housing," says Federico Taboada, head of the city's urban planning institute. (Photo by ZINA DESMAZES / AFP) (Photo by ZINA DESMAZES/AFP via Getty Images)