Love the diagram. One comment; I have a hard time not questioning why "Chinese" is presented as a single block here; many languages that are included under "Ch

Love the diagram. One comment; I have a hard time not questioning why "Chinese" is presented as a single block here; many languages that are included under "Chinese" are mutually unintelligible. Other related-but-mutually-unintelligible languages are listed separately, e.g. Italian & Spanish. I'm guessing it's a political/cultural choice.