"Golden Jubilee"- created by Fez BeGaetz, at Couch Park in Portland, OR The   Portland Winter Light Festival   just wrapped up and it was the kind of reminder our cities need more often; at night public spaces must be safe, of course. Pushing the envelope further though, they can also be luminous. Playful. Curious. A little surprising. Walking through installations this week, I kept coming back to a simple idea: light is more than illumination; it’s invitation .   It shapes h