Sigma Coatings building

Location: The Sigma Coatings building in Havens West, Amsterdam, Holland.
Project: Illumination test with 2 trifonar RGB SuperColor light fixtures.
Powered here by a 12VDC to 220VAC converter, that is hooked up to the battery of a car (the Volvo 240 diesel), just two lamps are coloring a huge part of the facade with a total average power consumption of only 180Watt.
The painted corrugated steel wall is 37 meters high!