Title: Ch'ŏmsŏngdae ŭi kŏnch'ukhakchŏk susukkekki
Subjects: Astronomical observatories, Design and construction, Cultural property, Buildings, structures, Buildings, Architecture and science, Observatories, Ch'ŏmsŏngdae
Places: Korea (South), Kyŏngju-si, Kyŏngju-si (Korea), Korea