The Bannalai (Number 14)
On the southeast of the main tower has a laterite
rectangular building. It has only one entrance with an
arched roof. There is no sacred images. This kind of
structure is know as a "Bannalai" or a library which used
to store holy scriptures. The bannalai is built in the 13th
century A.D., the last period of Prasat phnom Rung's
construction.