The rules of courtesy and mobility that govern coexistence on the streets of Paris

The provided coverage details two distinct events. In Paris, visitors are advised to adhere to unwritten social protocols and mobility norms to facilitate smoother interactions with local residents, specifically regarding greeting customs and commercial scheduling.

Separately, in Medellín, Colombia, a 20-year-old athlete named Juliana died after suffering a cardiac arrest during the 2026 Medellín Marathon. The incident occurred while she was competing in the 21-kilometer half-marathon, prompting a period of mourning within the national sporting community.