Why did Shanghai painter Sun Lin go to America?

He is a Chinese-American painter. Sun Lin, a Shanghai painter, went to the United States because he was a Chinese-American painter. His paintings are close to abstract beauty, but abstract paintings are often confusing. On the other hand, Sun Lin adopted an extremely detailed realistic modeling at the beginning of his writing. In the process of painting and completion, they are broken, and reality and reality complement each other. In this way, these paintings did not stick to the craftsman's style, but reached the artistic conception of compassion everywhere in local details.