1.   As he passed the bank next door he noticed that it too had a side passage, but this one was decked out with tiles and had painted walls.

2.   He tried the door of the side passage and, to his surprise, found it unlocked.

3.   They ventured through side passages and up into chambers well above stream level.

4.   Mirjana Markovic attended a Yugoslav parliament session in Belgrade, entering the building through a side passage.