Dunhuang is a gene bank for Chinese calligraphy. In seven consecutive centuries, numerous people wrote Buddhist sutras word by word in Dunhuang, an important cultural town in China´s history. And archeologists have found some 50 thousand sutras there. These handwriting relics are priceless materials for people studying the evolution of Chinese calligraphy. For a time, Dunhuang calligraphy was at the forefront of Chinese calligraphy. Zhang Zhi was leading figures. Zhang Zhi was a Chinese calligrapher during the Han Dynasty. Born in Jiuquan, Gansu, he was a pioneer of the modern cursive script, and was traditionally honorred as the Sage of Curives Script.