窖

告 = ⺧ + 口 : Guy Fawkes is informing the golden calf that it is not allowed to eat mandarins any more in the aorta's bathroom by pointing at a big LED screen stating so.

告 = ⺧ + 口 : Mnemonic symbol: one of these LED panels with public announcements which scroll horizontally over the panel.

穴 = 八 + 宀 : Xu Xian presents his newest piece of art: Cave paintings painted on a gigantic eight-ball. Somehow he managed to set it up inside the elevators entrance. For his great artistic achievement, he gained a honorary doctor, and proudly wears his hard earned graduation cap.