What should I do here?

Hint 1 of 4:

You can't really do anything right now except look, but you'll get a good
feel for the layout of the place.

Hint 2 of 4:

Make sure you examine everything you see in all of the rooms and listen to
all of the tour tapes.

Hint 3 of 4:

Did you find all of the rooms?

Hint 4 of 4:

There are six in all.