Stelae of Doctors at the Temple of Literature -
Carved stone turtle steles with elaborate motifs are meant to honor both talent and to encourage study. The turtle is a symbol of longevity. The doctors steles are a valuable historical resource for the study of culture, education and sculpture in Vietnam. The Chinese engravings on each stele praise the merits of the monarch and cite the reason for holding royal exams. The Temple of Literature's 82 steles engraved with the names of doctorate holders dating as far back as 1442 were recognized as a World Documentary Heritage Site by UNESCO in 2010.