Zhang, 58, started practicing calligraphy at the age of 18, and he has pursued his hobby for 40 years so far.

He has given more than 800 calligraphy works to graduates in the past three years.

Besides his daily work, Zhang practices calligraphy for two hours every day.

Zhang believes the more he studies the masterpieces the more he can make progress.

He studies the works of the masters in museums.

He studies the works of the masters in museums.

He studies the works of the masters in museums.

He studies the works of the masters in museums.

Zhang Xijing works as a cleaner at the Shaanxi Normal University in Education Museum. He is also known as a calligrapher in the eyes of his students and colleagues. (Photos: VCG)