if you look closely at the map in the scenario book, the totems (as well as one of the nests, and a couple of the Inox Guards have a grey outline of their hex (in addition to their normal outline, i.e. the green obstacle outline for the totems).
I'll be darned.... I never noticed that before. Thanks!
I wish the doors and overlay tiles were included in the list of specific tiles you'll need for the scenario. It would make setup even easier IMO.