Australian Broadcasting Corporation
A researcher says that climate change led to the fall of the ancient Cambodian city of Angkor.
Our reporter, Nonee Walsh, says the theory has been presented to an international gathering under the patronage of UNESCO.
Sydney University's Roland Fletcher says the famous temples were the medium-size constructions of Angkor.
From the 8th century a thousand square kilometres of rainforest made way for the low density city.
"The magnitude of the place is an important factor in how it ultimately collapsed," he said.
"It also had a gigantic infrastructure nearly the equivalent of freeways that you get in a modern city except that these are canals and embankments."
Associate Professor Fletcher beieves the medieval mini ice age caused climatic instability, which led to water and sediment overwhelming Angkor's delicately balanced infrastructure.
Our reporter, Nonee Walsh, says the theory has been presented to an international gathering under the patronage of UNESCO.
Sydney University's Roland Fletcher says the famous temples were the medium-size constructions of Angkor.
From the 8th century a thousand square kilometres of rainforest made way for the low density city.
"The magnitude of the place is an important factor in how it ultimately collapsed," he said.
"It also had a gigantic infrastructure nearly the equivalent of freeways that you get in a modern city except that these are canals and embankments."
Associate Professor Fletcher beieves the medieval mini ice age caused climatic instability, which led to water and sediment overwhelming Angkor's delicately balanced infrastructure.
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