Lit by 105 fluorescent bulbs, the mural consists of thousands of pieces of glass held in an iron framework weighing a tonne and forming irregular panes. Frédéric Back made it using his usual technique involving four layers of glass. An outer plate of textured tempered glass was used to protect the overall work and make the colours glow. The drawings were scratched into black paint on the second layer of glass. Coloured varnishes were then applied between two other plates of glass a centimetre apart, sealed to keep the air out. Read more at: http://www.fredericback.com
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