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The ancient temple of Angkor Wat in Cambodia's Siem Reap province is one of Asia's great heritage sites.

But despite the hundreds of millions of US dollars in tourism revenue it brings in per year, the province remains one of the poorest in the country.
 
Aela Callan reports from Siem Reap on how many children have to resort to catching butterflies to help scratch out a living. 

Source: Al Jazeera