This is a demo painting on the Dahlonega workshop. I like the combination of a well designed mechanical device and organic shapes. There is one type of contrast I always apply to the painting, but it is very difficult to express in English. Very vaguely I can say: it is solidness vs. non-solidness. In Chinese we call "Xu" (虚）vs. "Shi" (实). If someone good at linguistics, please help me translate these two terms. The clock is "Shi" but the pot of flowers is "Xu". I think you know what I mean.