低頭

低 = 亻 + 氐 : Dorothy Gale (di) and Rosa Luxemburg (亻) are in a hopeless situation. They are hanging down (低) from a foundation (氐) floating in front of the space station (Ø1) and away from it. In this hopeless situation their moods are very low (低) and they let their heads hang down (低).

头 = ⺀ + 大 : Tecumseh (t) is inspecting is depiction in the outhouse's kitchen (ou2). He's depicted as having a skull (mnemonic symbol for 头) head (头) with two petal leaves (⺀) in the eye holes, and having a robot (大) body.