Westminster School Playing Field

Vincent Square is a grass-covered square in Westminster, London, England, covering 13 acres, lined with mature trees including London Planes. In among a network of backstreets, it chiefly provides playing fields for Westminster School, who own it absolutely; otherwise, it functions as a green lung and a view for the homes, hotel and other organisations adjoining. Nine of its adjoining buildings have been given strict statutory architectural recognition and protection.

Source: Wikipedia