An exhibition of the works of Zhang Zexun, the fifth-generation descendant of Tianjin-based clay sculpture art Clay Figure Zhang, in south China's Macao, Jan 4, 2013. The exhibition will be held at the UNESCO Centre of Macao from Jan 4 to 13. (Xinhua/Cheong Kam Ka)

Clay figurines of Qing Dynasty (1644-1911) students in Macao are displayed at an exhibition of the works of Zhang Zexun, the fifth-generation descendant of Tianjin-based clay sculpture art Clay Figure Zhang, in south China's Macao, Jan 4, 2013. The exhibition will be held at the UNESCO Centre of Macao from Jan 4 to 13. (Xinhua/Cheong Kam Ka)

Visitors view an exhibition which displays the works of Zhang Zexun, the fifth-generation descendant of Tianjin-based clay sculpture art Clay Figure Zhang, in south China's Macao, Jan 4, 2013. The exhibition will be held at the UNESCO Centre of Macao from Jan 4 to 13. (Xinhua/Cheong Kam Ka)

A clay figurine of Chinese educator Yan Xiu is displayed at an exhibition of the works of Zhang Zexun, the fifth-generation descendant of Tianjin-based clay sculpture art Clay Figure Zhang, in south China's Macao, Jan 4, 2013. The exhibition will be held at the UNESCO Centre of Macao from Jan 4 to 13. (Xinhua/Cheong Kam Ka)