Straight up. Emilio Ambasz is an Argentine architect and award-winning industrial designer. From 1970 to 1976 he was Curator of Design at the Museum of Modern Art, in New York. Ambasz was an early proponent of 'green' architecture.
Urban Design Map of Kiev, it appears that the creator used illustrator. I was drawn to this diagram due to the beautiful center layout. It almost reminds me of how ink may dribble down as if by accident.