Here are the photos from Linannmäki's Carnival of Light me and Kalle got to cover. It took some time to edit, but I'm very pleased with the results.
Putting up both colour and black&white versions, due to common request.
Let me know which do you prefer.
you can see Kalle on the left, staring at a wall of light
same spot, different speed = completely different shape
Last but not least - most rewarded shot of them all, that even got to Popular selection on 500px [story here]: