High streets: Stockholm plans walkways connecting high-rise rooftops

City links: Aerial walkways in Sweden’s capital, the results of Delhi’s car ban experiment and why New York coped with the blizzard better than Washington DC feature in this week’s roundup of the best city storiesThis week’s best city stories take us from bold plans in Europe’s fastest-growing city to the urban impact of the US blizzard as we think about public parks, battling pollution, fostering a genius and snow resilience. Share your thoughts about these city st