匯兌

汇 = 匚 + 氵 : Helga Horse (hu) brought a collection (汇) of water bottles (氵) and a metal box (匚) to the Eiffel Tower's bathroom (ei4). Each bottle contains water from a different river. Finally the moment she's been waiting for arrives: As she empties each bottle into the metal box, she converges (汇) the water of all these rivers at once.

兑 = 丷 + 兄 : Doggy Dog opened a cash exchange booth in the Eiffel Tower's bathroom. His first customers are Apollo and a mean crocodile.