The author of this example is K.J. Hartmann.
"I've been searching for a long time for the worst b&w image to see how could AKVIS Coloriage handle this image. It seems nothing can help to colorize this photo. Nevertheless I tried to color it using this plugin. The result excited me."
Let's try to follow his steps to achieve this colorful result.
In this tutorial the plugin version of Coloriage was used. But you can take the standalone program and do the same things.