One day in a spring, an elderly man walked alone on a stone road lined by young willows in Xuzhou in East China's Jiangsu Province. At the end of the road was a museum that few people have heard of. A Chinese theology professor says the first Christmas is depicted in the stone relief from the Eastern Han Dynasty (AD 25-220). In the picture above a woman and a man are sitting around what looks like a manger, with allegedly "the three wise men" approaching from the left side, holding gifts, "the shepherd" following them, and "the assassins" queued...