Ofo (company)Ofo (ˈoʊfoʊ), stylised as ofo, was a Beijing-based bicycle sharing company founded in 2014. It used a dockless system with a smartphone app to unlock and locate nearby bicycles, charging an hourly rate for use. In 2017, it had deployed over 10 million bicycles in 250 cities and 20 countries. The company was valued at up to US$2 billion and had over 62.7 million monthly active users. In 2018, Ofo announced massive reduction in operations, including withdrawing from most US cities and from several entire countries.
Shrinking cityShrinking cities or urban depopulation are dense cities that have experienced a notable population loss. Emigration (migration from a place) is a common reason for city shrinkage. Since the infrastructure of such cities was built to support a larger population, its maintenance can become a serious concern. A related phenomenon is counterurbanization. The phenomenon of shrinking cities generally refers to a metropolitan area that experiences significant population loss in a short period of time.
Carfree cityA carfree city is a population center that relies primarily on public transport, walking, or cycling for transport within the urban area. Districts where motorized vehicles are prohibited are referred to as carfree zones. Carfree city models have gained traction in the second half of the 20th century due to issues with congestion and infrastructure, and proposed environmental and quality of life benefits.
Central ParkCentral Park is an urban park between the Upper West Side and Upper East Side neighborhoods of Manhattan in New York City, United States. It is the fifth-largest park in the city, containing , and the most visited urban park in the United States, with an estimated 42 million visitors annually . The creation of a large park in Manhattan was first proposed in the 1840s, and a park approved in 1853. In 1857, landscape architects Frederick Law Olmsted and Calvert Vaux won a design competition for the park with their "Greensward Plan".
