空
=
工
+
穴
:
In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.
嫂
=
叟
+
女
:
Because Bessie Coleman (s) is married to the old gentleman (叟) she is Socrate's (s) sister-in-law (嫂). They're all meeting in the aorta (ao3) for a family gathering.