The building represents the glucose being broken down by King Kong, the oxygen.
Cellular respiration is being represented as the wreck that King Kong is making at the city.
The falling debris and bricks represent the ATP energy being released from the breaking down of glucose.
The bricks show the conservation of matter; the bricks never change through the process; in the end of the destroying, they are and will always stay as bricks.
When King Kong attacks the city, King Kong portrays the oxygen in the process of cellular respiration. The cellular respiration is shown as the wreck that King Kong has caused at the city. The buildings and skyscrapers represent the glucose being broken down. The bricks that fall down from the chaos are shown as ATP energy, because they get released from the process. Finally, the bricks stay as bricks because of the conversation of matter; no matter the process, in the end they are still bricks.