paragraph_text: Windfall is a public art work by Canadian artist Robert Murray located at the Lynden Sculpture Garden near Milwaukee, Wisconsin. The sculpture is an abstract form made of aluminum panels set at angles; it is painted bright red and installed on the lawn.

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: 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: Mehan Garden is an open space in Manila, Philippines. It was established in 1858 by the Spanish colonial authorities as a botanical garden, called the "Jardín Botánico", outside the walled city.

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: Make Way for Ducklings is a children's picture book written and illustrated by Robert McCloskey. First published in 1941, the book tells the story of a pair of mallards who decide to raise their family on an island in the lagoon in Boston Public Garden, a park in the center of Boston.

paragraph_text: Robert Marnock (1800–1889) was one of the outstanding English horticulturalists and garden designers of the 19th century. He was considered by his contemporaries to be the best exponent of the Gardenesque school of landscape gardening.

paragraph_text: Ian Gallagher is the third oldest Gallagher sibling and is aged 15 at the beginning of the first series in 2004. He is the son of Monica Gallagher (Annabelle Apsion) and Gary Bennett, revealed when his blood group was found to be incompatible with the rest of his siblings'. His half - brothers are Phillip ``Lip ''Gallagher (Jody Latham), Carl Gallagher (Elliott Tittensor), Liam Gallagher (Johnny Bennett) and Sean Bennett, and his half - sisters are Fiona Gallagher (Anne - Marie Duff), Debbie Gallagher (Rebecca Ryan), and Stella Gallagher (Nikita Brownlee). He has one niece, Katie Maguire, who is the daughter of Lip. He used to work at The Jockey as a barman but in more recent series his employment, if he has any, has not been shown.

paragraph_text: The Sidney Myer Music Bowl is an outdoor, bandshell performance venue in Melbourne, Victoria, Australia. It is located in the lawns and gardens of Kings Domain, Linlithgow Ave, Melbourne, close to the Arts Centre and the Southbank entertainment precinct. It was officially opened by Prime Minister Robert Menzies on 12 February 1959, with an audience of 30,000 people, and is listed on the Victorian Heritage Register.

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: 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 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: The Garden Of Unearthly Delights is a novel by British author Robert Rankin. Its title is a reference to the painting "The Garden of Earthly Delights" by the painter Hieronymus Bosch.

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 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: The Jardin botanique de Sedan is a botanical garden and city park located on Philippoteaux Avenue beside the Place d'Alsace-Lorraine, Sedan, Ardennes, Champagne-Ardenne, France. It is open daily without charge.

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: Robert Gallagher (born 1969 in Kensington, England) is an award winning commercial and editorial photographer currently based in Los Angeles, California. He has been awarded three times in the prestigious Communication Arts Photography Annual, named one of the 'Top 25 Photographers of 2016' by Creative Quarterly and is archived in The National Portrait Gallery in London

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: In 2006, the Yankees began building a new $2.3 billion stadium in public parkland adjacent to the stadium. The price included $1.2 billion in public subsidies. The design includes a replica of the frieze along the roof that was in Yankee Stadium. Monument Park, a Hall of Fame for prominent former Yankees, was relocated to the new stadium. Yankee Stadium closed following the 2008 baseball season and the new stadium opened in 2009, adopting the ``Yankee Stadium ''moniker. The original Yankee Stadium was demolished in 2010, two years after it closed, and the 8 - acre site was converted into a park called Heritage Field. The new Yankee stadium opened in 2009 and is currently used by the NY Yankees.

Question: When did the roof gardens above the neighborhood where Robert Gallagher was born opened to the public?
Answer: 1980s