Faced with rising levels of air pollution and related premature deaths, Barcelona came up with a plan to reduce motor vehicle use by reducing motor vehicle through-routes. Super manzanas, superillas, or superblocks, however you want to call them, have the potential to redefine city streets by breaking the monopoly that cars often have on street space and opening up room for experimentation. How do superblocks work in theory? How is their implementation going? How well does the concept work when actually applied? Check out the videos below to learn more.