Qiong Da, a 70-year-old Tibetan woman looks back before leaving the yard she has been living in for years beside the Potala Palace, a world cultural heritage, in Lhasa. To clean up and beautify the palace's surroundings, the Lhasa municipal government decides to move the dwellers by the side of the Potala Palace to the village of Xuesan, a newly-built residential area to the north of the palace.