510–550 nm is the range of light wavelengths corresponding to green.
This is the concluding volume of the third part of the story about people, spirits, trees, cats, dragons, trams, cafés, bridges, and other wonders of Vilnius—its hidden underside and other no less astonishing places. A story that suddenly turned out to be long, yet extremely clear in the interpretation offered to all of us— and to readers, characters, and the author alike—thanks to the lucky 64th hexagram of the I Ching. Still, it’s not the end.