Cambodian children from a nearby village sit amid the ruins of Banteay Chhmar, a vast, remote temple built around 1200. Denis Gray / AP

John Sanday, a British conservation architect, walks through a chamber in the vast 800-year-old temple of Banteay Chhmar in northwestern Cambodia. Denis Gray / AP

Cambodia workers haul an ancient sandstone bloc from a bas-relief at Banteay Chhmar, one of the greatest and least known temples of the Angkorian Empire in Cambodia. Denis Gray / AP

Workers use a crane to move sandstone blocs as they restore one of the damaged towers at the 800-year-old Buddhist temple of Banteay Chhmar in northwestern Cambodia. Denis Gray / AP

Restoration work continues around one of 34 towers at the Buddhist monastery of Banteay Chhmar in northwestern Cambodia. Denis Gray / AP

With the help of a crane, workers gently remove a section of a bas-relief that depicts a battle in vivid detail. Denis Gray / AP

Using a crane, workers move heavy sandstone blocs from a tower within the Buddhist temple of Banteay Chhmar, Cambodia. Denis Gray / AP