This room, where I am teaching you, has a split AC. (In this room, where I am teaching you, there is a split ac.) Its pipe, from where it is going out, through the hole in the wall; a bird has made a nest on the outside. Yesterday, I heard some chirping. When I went outside, I saw three chicks (baby birds) in the nest.  Now, only when they sleep, I am able to make videos.