A drone was used to capture aerial footage of how ducks are employed in Thailand as a form of biological pest control in rice fields ... from Indonesia (not India) at the end of the 19th century.

India slapped an export ban on its non ... to US$0.34 and is showing no signs of slowing down. An aerial view shows rice paddy fields in the Mekong Delta region, Vietnam. (Photo: Tung Ngo) Local ...