Question: Where was the place of burial of Princess Taiping's mother?
Sentence (from "Wu Zetian"): Wu Zetian also had a monumental impact upon the statuary of the Longmen Grottoes and the "Wordless Stele" at the Qianling Mausoleum, as well as the construction of some major buildings and bronze castings that no longer survive.
Relevant evidence: Yes