永续城市

永 = 丶 + 水 : Yu the Great just got the most romantic proposal ever! In engine, somebody prepared a water fountain and had a diamond ring floating on a petal leaf float over to her. Unfortunately Yu the Great doesn't know who the ring is from, as her lover drowned in the water fountain earlier that day.

永 = 丶 + 水 : Mnemonic symbol: as the advertisements tell us, diamonds are forever. I'll represent 永 with a diamond ring.

续 = 卖 + 纟 : Xu Xian (xu) and the silk worm (纟) are running a flea market (卖) In the space station's bathroom (Ø4) to replenish (续) their cash box. To keep it running continuously (续) they are standing behind their table in turns (续).

城 = 土 + 成 : Again Charlie Chaplin is unable to exit engine. There is a wall of dirt blocking the entrance, and a progress bar showing that it will be removed soon, but the bar seems to be stuck.

市 = 亠 + 巾 : Mnemonic symbol: a supermarket.

Sherlock Holmes (sh) started a supermarket (市) in the space station's bathroom (Ø4), but all he has for sale right now are berets (亠) and towels (巾). He should have opened it at the beach!