 Complete the following phrase:  For his third feature, Zhang set Desert Dream 2007 in a small, drought-threatened village on the Chinese-Mongolian border where the lives of a farmer obsessed with tree planting to stave off desertification, a woman North Korean defector and her child, and a wandering soldier cross paths the films original title Hyazgar means boundary in Mongolian. Co-produced by Korea, Mongolia and France, it was invited to compete at the 