Should I go to Lintong to visit the Terracotta or Hong kong? Advise advise..

As said in the above answer: From July 24th to November 26th, 2012, the Terracotta Warriors are exhibited in Hong Kong History Museum.
I am planning to visit Hongkong next month on leisure tour. Can you advise if it is good to visit Lintong, Xian, Shaanxi Province to explore more or should direct go to Lintong and skip Hongkong.