They constructed the interior around six Christie LX100 projectors per cube, which George Németh concluded was the best solution for this application. The LX100 hits high-value brightness and performance levels with an impressive 10,000 ANSI lumens, quad-lamp engine mode and 1100:1 contrast ratio. All six sides of each cube bear a projected image, which can be viewed both internally and from the street
Link: AV International