漠
=
氵
+
莫
:
The desert (漠) is advancing into observatory's bathroom (o4), but Mozart (莫) and Mahatma Gandhi (m) are very unconcerned (漠) because they stockpiled a lot of water bottles (氵).
北
=
丬
+
匕
:
A compass rose. In the Eiffel Tower, Beelzebub tries to build a compass. As a baseplate he uses a piece of wood, on which he sticks the north pike of a compass rose. On the south pike he balances a ladle, which is supposed to adjust itself to earth's magnetic field.