Calligrapher Wang Bo writes Tao Te Ching, a Chinese classic text, on a stone in Chengdu city, capital of Southwest China's Sichuan province, Jan 14, 2016. Wang has finished writing Tao Te Ching on 81 stones after three years and wearing out 40 writing brushes. He says he tried to combine the shape, texture and color of stones with calligraphy skills in the creation. [Photo/China News Service]