Although its causes are still the subject of intense scientific speculation , archaeologists see a definite cessation of inscriptions and architectural construction .
尽管其原因仍然是今天科学猜想的热门主题，考古学家在碑文和建筑上看到了一个明确的中断。
Though a few select areas restrict entry , there are no rules or regulations that restrict hand-touching the mausoleum 's carvings , inscriptions or embellishments .
