One after another, cities around the globe give in to the frenzy of the Umbrella Sky Projects imagined by Portuguese artist Patricia Cunha. This ephemeral yet global project has become viral thanks to the enthusiasm of Internet users and social networks. It has already embellished Arles, Carcassonne, Toulouse, Béziers, Aix-en-Provence, Paris, Antibes, or Castellar in France as well as Tokyo, Seoul, Saint Petersburg, or Pensacola.