From steamy Sao Paolo to breezy Buffalo – via Birkenhead on Merseyside – here are some of the world’s very best urban green spaces. theguardian by Rowan Moore
Frederick Law Olmsted and Calvert Vaux are best known as the creators of Central Park in New York City, but their greatest work is the coordinated system of parks and parkways, the first of its kind in the United States, in what was then the boom town of Buffalo.