Visitors admire a piece of Chinese calligraphy created by Zhang Xuguang at the headquarters of the United Nations Educational, Scientific and Cultural Organization (UNESCO) in Paris, France, on Dec 11, 2017. The Aspiring to Peace - Zhang Xuguang's Cursive Calligraphy Exhibition kicked off here on Monday. About 50 pieces of Chinese calligraphy of Zhang Xuguang greet the visitors till Dec 16. [Photo/Xinhua]