Who says that playing is just for kids? Bristol, in the United Kingdom, is just one of the many cities around the world experimenting with urban play, creating opportunities to eliminate urban solitude in favour of having fun. In a recent article in The Guardian, Julian Baggini dives head first into Bristol's playful new initiatives including a 300-foot water slide on the city's high street, post boxes that converse using text messaging, and city-wide zombie chases. Bristol is leading the way with urban play worldwide, hosting a conference this month entitled Making the City Playable, an opportunity for planners to convene with the creative minds behind the new form of entertainment. Find out more about urban play and the benefits it brings to cities here.