masse to dominate the traffic, using the slogan "we are traffic." The ride was founded with the idea of drawing attention to how unfriendly the city was to bicyclists. The movement has grown to include events in major metropolitan cities around the world. The World Naked Bike Ride was born in 2001 in Spain with the first naked bike rides, which then emerged as the WNBR in 2004 a concept which rapidly spread through collaborations with many different activist groups and individuals around the world to promote bicycle transportation, renewable energy, recreation, walkable communities, and environmentally responsible, sustainable living. Parking Days started in 2005 when REBAR, a collaborative group of creators, designers and activists based in San Francisco, transformed a metered parking spot into a small park complete with turf, seating, and shade and by 2007 there were 180 parks in 27 cities around the world. r/fuckcars is an anti-car subreddit with 283,000 members as of July 2022. Official events Car Free Days are official events with the common goal of taking a fair number of cars off the streets of a city or some target area or neighborhood for all or part of a day, in order to give the people who live and work there a chance to consider how their city might look and work with significantly fewer cars. The first events were organized in Reykjavík (Iceland), Bath (UK) and La Rochelle (France) in 1995. Jakarta, Indonesia is one such city that hosts weekly Car-Free days. Ciclovía is a similar event in many cities that places a large emphasis on cycling as an alternative to auto travel. The event originated in Bogotá, Colombia in 1974. Now, Bogotá holds weekly ciclovías that turn the streets into giant car-free celebrations complete with stages set up in city parks with aerobics instructors, yoga teachers, and musicians leading people through various performances. The event has inspired similar celebrations globally. In town, without my car! is an EU campaign and day every autumn (Northern Hemisphere) for an increased use of vehicles other than the car. It has since spread beyond the EU, and in 2004 more than 40 countries participated. World Urbanism Day was founded in 1949 in Buenos Aires and is celebrated in more than 30 countries on four continents each November 8. Towards Car-free Cities is the annual conference of the World Car-free Network and provides a focal point for