San Francisco's Chinatown 1885

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

Check out this painstaking map of San Francisco's Chinatown in 1885, which reveals, block-by-block, the uses of buildings for brothels, gambling, opium: http://slate.me/18WCxHk (This is a detail, showing just one block up close.)