Exploring the mysteries of Xi'an's imperial tombs By David Fullbrook (That's Beijing) Updated: 2004-09-03 13:49 Dynasties and empires rose and fell along the Wei He River valley, where Xi'an lies. While the emperors are gone, their legacy awaits the spades and brushes of archaeologists exploring this crucible of Chinese history and culture. Terra-Cotta Warriors in the surburb of Xi'an [file photo] The terracotta warriors, one of archaeology's greatest accidental finds, hint at what else could lie under the barely scratched fields where emperors and aristocrats lie interred beneath 500 burial mounds. These tombs rise out of a fertile plain where...