Analysis of information sources in references of the Wikipedia article "Phnom Bok" in English language version.
He was satisfied to construct a trimurti on each of the other two hills
…site bears extensive astronomical references, among which are planned locations for observation of solar and lunar alignments, and the placement and content of bas reliefs according to the movement of the Sun through the seasons. Stencil et al. (1976) found a total of 18 alignments from various positions from inside the complex. Paris (1941) had previously noted four, three of which (equinox and winter and solar solstices) are observable from jus inside the western entrance.