In parallel, Cheng has been working on his own paintings, in which he takes an abstract approach.
They convey the changing mood of seasons as seen by one in awe of the wonder of nature, and are rendered in a vivid palette.
His ongoing solo show at Shanghai's China Art Museum, which runs until Sept 14, reveals a brilliant world in which the painter tries to hide the traces of his brush, the lines and the work of his hands, but lets the colors run freely, to speak for themselves and the rules of universe.