Speakers' Corner topics are divided by interest and known as "classes". An area was set up in Bangkok in the 1930s, and quickly became known as Hyde Park, to enable freedom of speech and the airing of political views in Thailand. The area was shut down after student rioting and the lethal intervention of the army and it is not discussed openly today. In 1955, Marshal Plaek Pibulsonggram had visited London as part of an international tour. He became impressed with the 'Speakers' Corner' in Hyde Park. Upon his return to Thailand a 'Hyde Park' space for free speech and assembly was
Parks and open spaces in London including 3,000 parks and totaling 35,000 acres. The centrepieces of Greater London's park system are the eight Royal Parks of London. Covering 1976 hectares (4,882 acres), they are former royal hunting grounds which are now open to the public. Many of the smaller green spaces in central London are garden squares, which were built for the private use of the residents of the fashionable districts, but in some cases are now open to the public. Notable examples open to the public are Russell Square in Bloomsbury, Lincoln's Inn Fields in Holborn and Soho Square in Soho. The Royal Borough of