坐标空间

坐 = 从 + 土 : Zapatista Zebra (zu) sits (坐) next to a rubber chicken (从) on a clay (土) bench (mnemonic symbol for 坐) in the observatory's bathroom (o4).

标 = 木 + 示 : 标 is a part of 标志, the word for "logo", like the one with the famous puma.

Brunhilde (bi) saved herself from a puma (标) by climbing on the Christmas tree (木) in front of the aorta (ao1). She tries to keep the puma form climbing the tree by fending it off with a guidon (示).

空 = 工 + 穴 : Mnemonic symbol: an air conditioner

空 = 工 + 穴 : In front of the engine, Karl Koala found some very special cave paintings. Using steel beams he constructs a protective cover. He also installs air conditioning to make the best environment possible to preserve the cave paintings.

间 = 日 + 门 : Mnemonic symbol: a changing cubicle.

间 = 日 + 门 : Joan of Arc wants to try a new approach of solving earth's energy crisis. In front of the anthill she set up a changing cubicle and invites the sun to try it out. The sun doesn't know that the Joan of Arc installed a trap door inside of the changing cubicle and plans to exploit the sun as quasi inexhaustible energy source once she captured her.