Is it possible to shoot 10 GB of photos and pick a single favorite?

Yes.

This is it:

He really stood out, this Birdman, in Moscow's Vorontsovsky Park, filled with joyous children and their parents' fashionably overdressed lapdogs.

Some would say that he was an urban St. Francis, but a more careful inspection reveals the piercing alienation of a contemporary metropolis embedded in the grooves on his face.