I have noticed, um, great variation in "Chinese" food when I've travelled, and other than immigrants adapting to local tastes, I have wondered if different coun

I have noticed, um, great variation in "Chinese" food when I've travelled, and other than immigrants adapting to local tastes, I have wondered if different countries haven't had more immigrants from differing regions of China, thus affecting what "Chinese" food is like in these places. I the USA, in addition to the crazy sweet dishes (concocted to please the American palate), you also get a lot of quite spicy Szechuan influenced dishes. I found "Chinese" food in London to be shockingly bland and tasteless by contrast.