Light nstallation Cube by a three-person production team Shader, which consists of Pekka Tavi, Mikko Kunnari and Timo Yliräisänen. The animation is projected on the head office of Stora Enso from the side of the Market Square. Lux Helsinki 2017 Light Festival. Small details of the UV light installation Flowers of Life by Veikko Lappalainen. Lux Helsinki 2017 Light Festival. Helsinki Cathedral photographed trough the pipes of the Interactive light art installation Light Pipes by Rölli Ridanpää and Tero Laine. Lux Helsinki 2017 Light Festival.