古坑乡

古 = 十 + 口 : Mnemonic symbol: at least on German maps, this character actually resembles a cloister.

Oh no! Gitta Giraffe (gu) found that the golden cross (十) broke off of the cloister (古) in the space station's living room (Ø3)! She skewers a mandarin (口) on top of the cloister so that she can skewer the broken off cross back on to fix it.

坑 = 亢 + 土 : Karl Marx (k) finds out that turtleneck sweaters (亢) are completely out of fashion now, so in front of the engine ((e)ng1) he digs a deep pit (坑), throws the sweater inside and fills the pit with earth (土).

坑 = 亢 + 土 : Karl Marx (k) finds out that turtleneck sweaters (亢) are completely out of fashion now, so in front of the engine ((e)ng1) he digs a deep pit (坑), throws the sweater inside and fills the pit with earth (土).

乡 = 幺 + 丿 : Mnemonic symbol: a tractor.

乡 = 幺 + 丿 : Marie Curie's tractor got stuck in a pile of bananas in front of the anglepod, with the wheels spinning helplessly. Her last hope is that she'll be able to free the tractor by pushing aces under the wheels, so that she can bring the tractor back to her hometown.