Xia's pieces reveal complex process of creating them

As a child, Xia Hang liked to take apart his toys and household items, such as clocks, and reassemble them.

His early interest, common to many young boys, then became an essential part of his career.

The 38-year-old Beijing-based artist is known for creating sophisticated installations that are made of several thousand mechanical parts in stainless steel. He designs them through computer programming.