the second part gives pride to the vessels of Culture, IA, mental and other components of this civilization that could be our future: a "Culture" almost omnipotent and interventionist non-appearance, but that is always there (where to ?). Banks makes us even gift of a space war worthy of a space opera of the 50-ship IA with aun not name that gets off in battle, and that records everything to be able to tell later (his "children? ) Finally it is rather funny. When the virtual underworld scenes they are successful as an array of Bosch. His description one again this extraordinary civilization culture dream, we must ABSOLUTELY that this future exist!