Visible crew/equipment: In the scene where the photographer gets killed there's a shadow of the boom mike on the top left right before he gets stabbed. (00:32:25)
Revealing mistake: In the scene where Amaro is carrying Amelia out of the clinic and into the car, the old man who opens the car door and holds it for Amaro slams the car door into the camera, which looses its orientation for a while - and there even is a sound.
Padre Benito: That I told you? Really?
Augustina Sanjuanera: That you told me.
Padre Benito: I hope God agrees with it.