Nothing was exactly square in North Beach -- a neighborhood of odd intersections and acute hillside corners -- because Columbus sliced through the street grid diagonally, from the office buildings downtown, north and west to Fisherman's Wharf.

CNN: Excerpt: 'Joe DiMaggio: The Hero's Life'

In London many small hedge funds cluster in Mayfair, far west of the City and Canary Wharf where the big banks camp out.

ECONOMIST: Hedge funds

In Canary Wharf and London's two main business districts, the City and the West End, the three-year gloom in London's office market is over.

ECONOMIST: London office rents