Samel-90 PLC just implemented the latest new project “Façade LED Lighting of NDK” in Sofia. NDK is a the National Cultural Building and it is used for variety of events, concerts and fairs. The special LED lighting illuminations add liveliness and brightness. The purpose of the impressionable effects is to highlight or remind for key events and dates. The LED lighting special effects color the building in combination of nuances depending on the occasions.