回味無窮

回 = 口 + 囗 : Helga Horse (hu-) smuggled herself into the Eiffel Tower's kitchen (-ei2). She covered herself in an enclosure (囗) full of mandarins (口). Unfortunately, she missed one little detail: The box full of mandarins is to be shipped back (回) to China soon.

味 = 口 + 未 : Willy Walrus (w) is wondering about that strange smell (味) in the bathroom of the Eiffel Tower (ei4). He can't quite place it. The smell is from Ai Weiwei's (未) new installation: A tower of mandarins (口).

无 = 一 + 𠂇 + 乚 : Mnemonic symbol: the philosopher Diogenes, who has nothing and wants nothing.

无 = 一 + 𠂇 + 乚 : Just inside the space station's entrance, Diogenes is annoyed by Willy Walrus, who's playing his flute. Diogenes just wants a peaceful time without being disturbed, so he cuts the flute into pieces with a pair of scissors, and threatens to beat Willy Walrus with a shovel should he annoy Diogenes again.

Mnemonic symbol: 無爲, wu2 wei2, the state of non-doing after having attained complete harmony with the Tao.

Willy Walrus (w) has attained Wu Wei (無) just inside the space station's entrance (Ø2), while from the outside it may seem like he is napping.

穷 = 力 + 穴 : Cupid (qu) exhausted (穷) his bank account and is very poor (穷). He has nowhere to go and nothing to do anymore. In the engine's kitchen ((e)ng2) he creates a big cave painting (穴) out of boredom. Idly he paints a big power button (力) wishing that upon hitting it, money would rain down on him.