It is not Angkor Wat & not My Son Sanctuary. What is it?

Everyone knows Angkor Wat and My Son Sanctuary are famous place in the world as UNESCO World Heritage. But just a few people knows about Po Klong Garai that is one of beautiful ancient and mystery architecture. Po Klong Garai is a last imposing Cham temple tower in Vietnam.┬áIt consists of three brick towers: the…