Input (grade 4): Richmond Park is a 2,360 acre (9.55 km2; 3.69 sq mi) park within London. Almost three times as large as New York City's Central Park, it is the largest of the Royal Parks in London and Britain's second largest urban walled park after Sutton Park, Birmingham.
Output (grade 5): Richmond Park is a 955 hectare (2,360 acre) urban park near central London, UK.