堆
=
土
+
隹
:
Doggy Dog (du) is digging for a bone in front of the Eiffel Tower (ei1) and in the process he is piling up (堆) a huge pile of dirt (土). After Doggy Dog gave up the sparrow (隹) comes to sit on the pile, since she thinks it is quite a nice place.
土
=
十
+
一
:
Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.