Visible crew/equipment: At Susan's apartment she explains to Dr Huxley that Baby responds well to music played on her phonograph. As she shuts off the record player there's a mirror in the background, and in the mirror, near the top, there's reflected a long piece of thick, black cable stretched horizontally, vibrating rather plainly.
Visible crew/equipment: Wires are visible holding up the Ghost of Christmas Past as she flies with Scrooge. There are at least two wires.