The connection between the power of the volcano in nature, and the power of mankind in manufacturing is made prevalent in Diego Rivera’s Detroit Industry murals. The vertical lines inside of the base of the volcano represent the force and tension of lava, and as the eye travels further downward, the same vertical lines extend into the man-made blast furnace. Additionally, a silhouetted man is placed in front of the blast furnace, although he is microscopic compared to the mammoth size of the furnace itself. The furnace is bright and roaring, and the heat is conveyed through the clouds of fire and smoke. This is the place where molten metal comes to be transformed into machinery. Similarly to how molten rock is turned into molten lava at the
