Thirty-five kilometres of cables, many thousands of LED diodes and fittings, the possibility of light control and displays of dynamic scenes – this is a brief description of Poznań’s ‘Las Vegas’, the longest fully-lit mall façade in the country (440m). Since its opening ceremony (October 24th) the façade of the mixed-use Poznań City Center project developed by TriGranit, Polskie Koleje Państwowe and Europa Capital has been illuminated in this way. “For a few years now, a combination of lighting systems based on LED technology with control systems has made it possible to have unlimited fun in terms of façade illumination. There are a few malls in Poland that could do this, but no project up to now has had a similar scale,” says Marcin Gryt, an architect who works as a key account manager for Philips Lighting, which participated in the preparation of the illumination project for the Poznań centre. How much money was spent on this? Neither the investor nor the lighting