A playground, playpark, or play area is a place designed to provide an environment for children that facilitates play, typically outdoors. While a playground is usually designed for children, some are designed for other age groups, or people with disabilities. A playground might exclude children below (or above) a certain age. Modern playgrounds often have recreational equipment such as the seesaw, merry-go-round, swingset, slide, jungle gym, chin-up bars, sandbox, spring rider, trapeze rings, playhouses, and mazes, many of which help children develop physical coordination, strength, and flexibility, as well as providing recreation and enjoyment and supporting social and emotional development. Common in modern playgrounds are play structures that link many different pieces of equipment. Playgrounds often also have facilities for playing informal games of adult sports, such as a baseball diamond, a skating arena, a basketball court, or a tether ball. Public playground equipment installed in the play areas of parks, schools, childcare facilities, institutions, multiple family dwellings, restaurants, resorts, and recreational developments, and other areas of public use. A type of playground called a playscape is designed to provide a safe environment for play in a natural setting. History Through history, children played in their villages and neighbourhoods, especially in the streets and lanes near their homes. In the 19th century, developmental psychologists such as Friedrich Fröbel proposed playgrounds as a developmental aid, or to imbue children with a sense of fair play and good manners. In Germany, a few playgrounds were erected in connection to schools. Thomas Carlyle called for the establishment of public playgrounds within industrial cities such as Manchester, England, in Past and Present (1843), saying that "every toiling Manchester" ought to have "a hundred acres or so of free greenfield, with trees on it, conquered, for its little children to disport in". Manchester became the site of the first purpose-built public-access playground, which opened in a park in 1859. Response to Mass motorisation However, it was only in the early 20th century, as the street lost its role as the default public space and became planned for use by motor cars, that momentum built to remove children from the new dangers and confine them to segregated areas to play. In the United States, organisations such as the National Highway Protective Society highlighted the numbers killed by automobiles, and urged the creation of playgrounds, aiming to free streets for vehicles rather than children's play. The Outdoor