
Disappointingly, further feverish research suggests that the mystery building (the stack of pancakes on the left of the picture) is nothing more than an annexe to County Hall. Ah well. Maybe we can make it more exciting by pretending it was full of spies or wasps or something.
2007 UPDATE: This journal entry is already hopelessly dated, as the building in question has since been demolished to make way for an "apart-hotel" (see previous entry).