Question: What urban planning method what used in design of Henry van de Velde's Hohenhof?
Context: Hohenhof is a 1908-built Art Nouveau villa, located within Gartenstadt Hohenhagen in the city of Hagen, Germany.  The villa was designed by Belgian architect Henry van de Velde as a "Gesamtkunstwerk" - incorporating shell, accessories, furnishings, landscape and all into the building's design. Van de Velde, Vande Velde, or Vandevelde is a Dutch toponymic surname meaning "from the field".  Van de Velde is the 32nd most common name in Belgium, with 8,903 people in 2008, while in 2007 there were 3,319 people named "Van de Velde" in The Netherlands.  Among other variations on this name are Van der Velde, Vandevelde, Van Velde, Van de Velden, and Van der Velden. Jan van de Velde the younger (1593 – ca. 1 November 1641) was a Dutch Golden Age painter and engraver of animal, landscape and still-life subjects.  He was the son of Jan van de Velde the Elder and the father of the still life painter Jan Jansz van de Velde. Adriaen van de Velde (bapt.  30 November 1636, Amsterdambur.  21 January 1672, Amsterdam), was a Dutch animal and landscape painter, son of Willem van de Velde the Elder and brother of Willem van de Velde the Younger, the marine painter. Van de Velde N.V. is a publicly traded company that designs and manufactures luxury lingerie.  It is located in the Belgian town of Schellebelle (Wichelen).  The company was founded in 1919 by Achiel and Margaret Van de Velde and is still owned by the same family.  In 1990, the company bought German lingerie brand "Prima Donna".  Its products are designed in Schellebelle, and produced abroad.  The majority of the company's production activities take place in Tunisia.  Van de Velde also maintains production facilities in China and Romania. The garden city movement is a method of urban planning in which self-contained communities are surrounded by "greenbelts", containing proportionate areas of residences, industry, and agriculture.  The idea was initiated in 1898 by Sir Ebenezer Howard in the United Kingdom. Bloemenwerf is the name of the residence house of Belgian painter, architect and interior designer Henry van de Velde, built in 1895.  It is located at Uccle, Belgium.  Velde designed the house and its interior as well as the furnishings.  It was inspired in part by William Morris' Red House. Henry Clemens van de Velde (] ; 3 April 1863 – 25 October 1957) was a Belgian painter, architect and interior designer.  Together with Victor Horta and Paul Hankar he could be considered as one of the main founders and representatives of Art Nouveau in Belgium.  Van de Velde spent the most important part of his career in Germany and had a decisive influence on German architecture and design at the beginning of the 20th century. Roger van de Velde (Boom, 13 February 1925-Antwerp, 30 May 1970) was a Belgian writer.  He was a son of Jan Frans van de Velde (wine merchant) and Maria Callaer.  In 1947, he married Rosa Verboven.  Van de Velde worked as a journalist for the "Nieuwe Gazet" and also published in "Arsenaal" en "Nieuw Gewas". Van de Velde was part of an unsuccessful syndicate to form the first New South Wales Rugby League premiership club in Queensland.  He then embarked on a coaching career in England with Castleford in 1988, Darryl van der Velde was the coach in Castleford's 12-28 defeat by Wigan in the 1992 Challenge Cup Final during the 1991–92 season at Wembley Stadium, London on Saturday 2 May 1992, in front of a crowd of 77,386, before leaving in 1993.  He moved to coach in 1993.  Van de Velde then became the Chief Executive Officer of the new South Queensland Crushers club of the ARL premership.  He later coached Huddersfield and then joined Warrington Wolves in March 1997, spending five years at the club, but he failed to win a trophy before leaving in 2001.  He has since returned to Australia, and became a board member of the Queensland Rugby League in 2013.
Answer: garden city movement