HE speaks candidly, with a smile always at the ready. He has a clear complexion, devoid of moustache or beard. In addition to being an expert in Kung Fu, he is also skilled in writing Arabic calligraphy in Chinese style. His paper drawings can be hung on the wall as a decoration, or rolled up for safekeeping. The Muslim community in the neighborhood of Daqingzhen Si, located in the heart of downtown Xi'an, address him as Imam Ma Ming Bao bin