paragraph_text: The Forstbotanischer Garten Eberswalde (8 hectares) is a botanical garden and arboretum located at Am Zainhammer 5, Eberswalde, Brandenburg, Germany. It is open daily without charge.

paragraph_text: Way Four is a public art work by artist Bernard Kirschenbaum at the Lynden Sculpture Garden near Milwaukee, Wisconsin. The stainless steel sculpture is an open circle that creates an orbit for two triangles; it is installed on the lawn.

paragraph_text: The museum operates from two sites within London. The main site in Covent Garden uses the name of its parent institution, sometimes suffixed by "Covent Garden", and is open to the public every day, having reopened in 2007 after a two-year refurbishment. The other site, located in Acton, is known as the London Transport Museum Depot and is principally a storage site that is open on regular visitor days throughout the year.

paragraph_text: The building housed the department store Derry and Toms until 1973, and then Biba until 1975. Since the 1980s the garden has been used as a restaurant and club.

paragraph_text: The Cleveland Botanical Garden, located in the University Circle neighborhood of Cleveland, Ohio, in the United States, was founded in 1930 as the Garden Center of Greater Cleveland. It was the first such organization in an American city. Originally housed in a converted boathouse on Wade Park Lagoon, the center served as a horticultural library, offering classes and workshops for gardeners and spearheading beautification projects in the community. In 1966, having outgrown its original home, the Garden Center moved to its present location in University Circle, the site of the old Cleveland Zoo. Remnants of the old bear pit still remain in the Ohio Woodland Garden. In 1994, the organization's Board of Trustees changed the name to Cleveland Botanical Garden to reflect a dramatically expanded mission and launched an ambitious capital campaign to develop a facility that would support the enhanced program agenda. The expanded and renovated building, designed by Graham Gund Architects of Cambridge, Massachusetts, opened to the public in July 2003.

paragraph_text: The National Orchid Garden, located within the Singapore Botanic Gardens, was opened on 20 October 1995 by Singapore's Minister Mentor Lee Kuan Yew.

paragraph_text: Dallam Tower is a grade I listed country house in Beetham parish, near Milnthorpe, South Lakeland, Cumbria, England. It is a member of the Historic Houses Association but is not open to the public except for occasional charity events, visits to the garden through the National Gardens Scheme, and as a wedding venue.

paragraph_text: Another important library – the University Library, founded in 1816, is home to over two million items. The building was designed by architects Marek Budzyński and Zbigniew Badowski and opened on 15 December 1999. It is surrounded by green. The University Library garden, designed by Irena Bajerska, was opened on 12 June 2002. It is one of the largest and most beautiful roof gardens in Europe with an area of more than 10,000 m2 (107,639.10 sq ft), and plants covering 5,111 m2 (55,014.35 sq ft). As the university garden it is open to the public every day.

paragraph_text: Highline Botanical Garden is a community botanical garden located at 13735 24th Avenue South, SeaTac, Washington. It is open daily without charge.

paragraph_text: The Ballarat Botanical Gardens Reserve, located on the western shore of picturesque Lake Wendouree, in Ballarat, Victoria, Australia, covers an area of 40 hectares which is divided into three distinct zones. The central Botanical Gardens reserve in the 'gardenesque' style of the Victorian pleasure garden. On either side there are open parkland buffers known as the North and South Gardens. The Gardens celebrated its sesquicentenary (150 years old) in 2007.

paragraph_text: Last Conversation Piece is a public artwork by Spanish sculptor Juan Muñoz located outside of the Hirshhorn Museum and Sculpture Garden in Washington, DC, United States.

paragraph_text: Presby Memorial Iris Gardens is a nonprofit, volunteer-run living museum specializing in iris flowers, located at 474 Upper Mountain Avenue, Montclair in Essex County, New Jersey, New Jersey, United States. The gardens are situated on 6.5 acres. Adjacent to the gardens is a Victorian house, the Walther House. The house is open to the public and is home to a museum shop and headquarters for the Citizens Committee that oversees the gardens.

paragraph_text: The Hansom Cab is a Grade II listed public house at 84–86 Earls Court Road, Kensington, London W8 6EG. It is on the corner with Pembroke Square.

paragraph_text: Melbourne's rich and diverse literary history was recognised in 2008 when it became the second UNESCO City of Literature. The State Library of Victoria is one of Australia's oldest cultural institutions and one of many public and university libraries across the city. Melbourne also has Australia's widest range of bookstores, as well the nation's largest publishing sector. The city is home to significant writers' festivals, most notably the Melbourne Writers Festival. Several major literary prizes are open to local writers including the Melbourne Prize for Literature and the Victorian Premier's Literary Awards. Significant novels set in Melbourne include Fergus Hume's The Mystery of a Hansom Cab, Helen Garner's Monkey Grip and Christos Tsiolkas' The Slap. Notable writers and poets from Melbourne include Thomas Browne, C. J. Dennis, Germaine Greer and Peter Carey.

paragraph_text: Axeltree is a public art work by Russian-American artist Alexander Liberman located at the Lynden Sculpture Garden near Milwaukee, Wisconsin. The sculpture is an abstract form; it is installed on the lawn.

paragraph_text: The British Rail Class 26 diesel locomotives, also known as the BRCW Type 2, were built by the Birmingham Railway Carriage & Wagon Company (BRCW) at Smethwick in 1958-59. Forty seven examples were built, and the last were withdrawn from service in 1994. Like their higher-powered sisters, the BRCW Classes 27 and 33, they had all-steel bodies and cab ends with fibreglass cab roofs. They were numbered D5300-D5346.

paragraph_text: Elven C. Smith House is a historic home located at Williamson, Mingo County, West Virginia. It was built in 1938, in a Neo-Classical Revival / Georgian Revival style. It is a red brick building with a hipped roof and features a two-story, flat roofed portico supported by fluted columns. Also on the property is a stone retaining wall and monumental stairway in the landscaped gardens.

paragraph_text: The Yuengling Bicentennial Park and Gardens ( ) is a city park located in Pottsville, Pennsylvania, United States, which originally opened in the late 1800s and then again in 2005.

paragraph_text: Garvan Woodland Gardens is a 210-acre (850,000 m²) botanical garden located at 550 Arkridge Road, approximately 6 miles from Hot Springs National Park in Hot Springs, Arkansas, United States. Owned by the University of Arkansas, it has the stated mission of education, research and public service. For an admission fee, it is open daily, except on Thanksgiving Day, Christmas Day and the month of January.

paragraph_text: Milton Rosmer (4 November 1881 – 7 December 1971) was a British actor, film director and screenwriter. He made his screen debut in "The Mystery of a Hansom Cab" (1915) and continued to act in theatre, film and television until 1956. In 1926 he directed his first film "The Woman Juror" and went on to direct another 16 films between 1926 and 1938.

Question: When did the roof gardens above the neighborhood where Hansom Cab was located open to the public?
Answer: 1980s