"Infinity Mirror Room: Filled with the Brilliance of Life" - Yayoi Kusama (Japan)
Part of the 2012 Yayoi Kusama exhibition at the Tate Modern art gallery in London, England. This piece was created using a room with wall-to-wall mirrors, filled with low-powered LED lights.
Photos 1 & 3 courtesy of Limitless Magazine
Photo 2 courtesy of Lux & Jourik (Flickr)
Photo 4 courtesy of QOTH (Pictify)
Photo 5 courtesy of HannyB (Flickr)
Also thanks to Rob @languageofeyesband for telling me about this.