Jia Yuan-Yua is a Chinese artist born in 1980 who lives and works in Beijing, China. Jia works mainly with oil and acrylic in his painting. His contemporary artworks focus on social issues such as the protection of historical buildings, the inheritance of traditional culture, the conflict between tradition and contemporary times, education reform and the sustainable development of the natural ecological environment. There are two main forms of expression in his works. One is a common realistic technique known for paintings. The other is to use an oil painting knife for carving on the surface of the oil onto the canvas but the artist also creates lines in his artworks to express the outline of objects either existed or vanished.