Environment
A City Map Spontaneously Appeared in the Sky Over Finland
Floating, spectral streets were made by ice crystals and urban lights.
To get around the Finnish municipality of Eura, you could ask for directions or use your phone. Or if you happened to be there Tuesday night, you could just gaze upward, where a golden map of town glowed in the sky:
This extraordinary scene, captured by Mia Heikkilä, shows major and minor streets in a vertically flipped mirror image. Compare it with this map from the National Land Survey of Finland: