Question: If Cheung Kong Center were to host A Symphony of Lights, what aspect of the center would be necessary to do so?

Context paragraphs:
Canning Fok: Canning Fok Kin-ning () (born 1951 in Hong Kong) is a Hong Kong entrepreneur.  He is a director or chair of numerous management board in companies of Cheung Kong Holdings and Hutchison Whampoa.  He is hailed as the "King of Employees" since he has been one of the Hong Kong's top-five taxpayers in the past few years.

Tony’s Pizza Events Center: Tony’s Pizza Events Center, formerly the Bicentennial Center, is located in Salina, Kansas.  It includes a 7,583-seat multipurpose arena, meeting rooms and Heritage Hall, an 18,000 square foot convention center.  It is home of the Salina Liberty of the Champions Indoor Football league, and is nicknamed "Mid-America's Meeting Place".  On February 22, 2017, it was announced that the name of the Bicentennial Center would be changed to the Tony's Pizza Events Center, effective immediately.

CK Asset Holdings: CK Asset Holdings, previously known as Cheung Kong Property Holdings Limited, is a property developer registered in the Cayman Islands, with its headquarters and principal place of business in Hong Kong.  The company was established in 2015 as part of a restructure of the CK Hutchison Holdings conglomerate, by spinning off CK Hutchison Holdings's property holdings into a separate company.  Cheung Kong Property Holdings began trading on 3 June 2015.

CK Life Sciences: CK Life Sciences International (Holdings) Inc. () (), or CK Life Sciences, is the subsidiary of Cheung Kong Holdings in Hong Kong.  It is engaged in the business of research and development, commercialization, marketing and sale of biotechnology products.  The chairman is Mr. Victor Li, the elder son of Mr. Li Ka-shing, the chairman of Cheung Kong Holdings.

Beaconsfield House: Built in 1963, the building was home to the Information Services Department until it was demolished along with the neighbouring Hong Kong Hilton in 1995 to make way for the Cheung Kong Center.

A Symphony of Lights: A Symphony of Lights () is a daily light and sound show in Hong Kong.  It is the world's largest permanent light and sound show according to Guinness World Records.

Jump shift: The jump shift or Heisman shift, was an American football shift maneuver in the backfield utilized by John Heisman.  In this system, the quarterback, both halfbacks, and fullback would be in a line, as one would in an I-formation with an extra halfback at the hind end.  Then the three players which were not to receive the ball from center would shift all to one side.  A split second elapsed, then the ball was snapped and the wall of three blockers charged on.  If needed, the center could also snap it to one of the other backs.  The phalanx of blockers resembled the yet-to-be developed single wing.  The Heisman shift was considered more complicated than its predecessors (say the Minnesota shift).

Cheung Kong Park: Cheung Kong Park () is a small garden located in the Central district of Hong Kong Island and named for Li Ka Shing's corporate empire.  The park is privately maintained by Cheung Kong Holdings, but is open to the public.  The park consists of ponds and cascades with benches for visitors to enjoy the scenery.

Cheung Kong Center: Cheung Kong Center () is a skyscraper in Central, Hong Kong designed by Cesar Pelli.  It is 68 storeys tall with height of 283 m and a gross floor area of 1260000 sqft .  When completed in 1999, it was the third-tallest building in the city.  It sits on the combined sites of the former Hong Kong Hilton, which was demolished in 1995/6, and Beaconsfield House, sold by the Government in 1996.  It stands between the HSBC Hong Kong headquarters building and the Bank of China Tower.  As is common in Hong Kong, coloured lights on the sides of the building illuminate at night in intricate light shows.

Ke Wu: Dr. Ke Wu (born 9 December 1962 in Liyang, Jiangsu, China) is professor of Electrical Engineering at the Ecole Polytechnique(University of Montreal), and Tier-I Canada Research Chair in Radio-Frequency (RF) and Millimetre-Wave Engineering.  He is Director of the Poly-Grames Research Center, and the Founding Director of a Canadian university-industry consortium called Facility for Advanced Millimetre-wave Engineering (FAME) and the Center for Radiofrequency Electronics Research of Quebec (or Centre de recherche en électronique radiofréquence (CREER) – a strategic alliance of Québec).  He also holds the first Cheung Kong endowed chair professorship (visiting) at the Southeast University and the first Sir Yue-Kong Pao chair professorship (visiting) at the Ningbo University, China.

Supporting paragraphs: Cheung Kong Center A Symphony of Lights
Answer: coloured lights