BY GLOBAL TIMESBEIJING: A 17-hour flight from Athens, Greece, to Lhasa in China’s Xizang autonomous region- including a layover in Beijing – bridges five time zones. This journey from the Aegean Sea to the Qinghai-Xizang Plateau spans a distance once unimaginable to ancient travelers. Yet at the Shannan Museum in southern Xizang, a single artifact illuminates the miraculous connections between …