A closer look

Ah, Paris. The city of love, romance, and subterranean infrastructure that routinely smells like a giant public toilet. Because actually power-washing the century-old metro stations is apparently too much effort, transit officials opted for a more sophisticated French solution: aggressive chemical warfare. They pump a custom-made floral fragrance called 'Madeleine' into the ventilation systems, creating a delightful olfactory cocktail of spring flowers and stale urine.