In 1938, when the Japanese arrived in Huan Hsu's great-great-grandfather Liu's Yangtze River hometown of Xingang, Liu was forced to bury his valuables, including a vast collection of prized antique porcelain, and undertake a decades-long trek that would splinter the family over thousands of miles. Many years and upheavals later, Hsu, raised in Salt Lake City and armed only with curiosity, moves…