Answer:
Examples:
They are televising his interview throughout the world.
The TV station is televising his interview throughout the world.
Explanation:
There are various 'unknown' possibilities for the subject; THAT'S why this sentence is usually written in the passive: when you don't know who is performing the action. (AND/OR, of course, when you want the focus to be on the receiver of the action, in this case: the interview.)
