Haroon Mirza, The National Apavilion of Then and Now, 2011, Installation view, ILLUMinations, Venice Biennale, Venice, 2011, Equilateral triangular anechoic chamber, LEDs, amplifier, speakers, electronic circuit, 8.09 x 8.09 x 8.09 x 3.34 m, Courtesy of the artist and Lisson Gallery. Photo Omar Mirza