Lights in Plague Park

Plague Park has a rather unusual collection of lights hanging from a tree. In the darkness they look like a cluster of UFOs hovering. They seem to be made from thin plywood and are adept at collecting water in the pouring rain with each of them tipping a bit like a bucket when enough water has accumulated. I have no idea who put them there or what they are for but they are interesting to look at.

n.b. - Well, it appears that the lights are part of the Forces of Light 2003 celebration which begins on Suomenlinna and winds through the city to Hietalahti Square. There are quite a few events for the dark times as detailed in the Winter program [570k pdf]. The lights are by Jouko Kärkkäinen and titled Puuvalon Aukio.