Scott mentioned these in his post about the airport last month, but I just came across this video about the technical side of the Olympic rings at YVR and thought you might be interested:
They’re 14 metres in height, have 20,385 individual LED lights and weigh 9,100 lbs. As part of the 2010 Winter Games’ sustainability priorities, the lights in the display use energy efficient bulbs that consume 8.8 per cent of the electricity of equivalent incandescent bulbs.
