Kyoto -> Nara -> Himeji -> Hiroshima -> Fukuoka -> Kobe -> Yokohama -> Tokyo -> Takayama -> Nagoya -> Osaka

The nation of Japan almost surely deserves more sentences per city than Changsha et al. seems destined to give it, but rest assured that this phenomenon is only marginally attributable to the country's surface-level homogeneity. As a resident of China's gritty heartland, one is hard-pressed to move past Japan's overwhelming sense of propriety and precision, and penetrating observations can be scarce (imagine that!). Suffice it to say that everything you've heard about the toilets is true. Once your correspondent is back in China, after a long boat ride from Osaka to Shanghai, he will let the photographs do the typing.