The only booties that were not shaking after Lula Washington Dance Theatre’s visit to Xian (she-yan) were those of the 3,000-year-old terracotta warriors. The lively, Los Angeles-based, African-American dance troupe performed in Xi’an twice, both times to about 1,000 people. Everybody got all shook up. But the stony warriors proved impervious to modern dance. Here ...