This Cambodian festival marks a unique natural phenomenon when the Tonle Sap river current reverses its flow http://on.natgeo.com/2yMcSQk pic.twitter.com/6q2eR1XioT

This Cambodian festival marks a unique natural phenomenon when the Tonle Sap river current reverses its flow http://on.natgeo.com/2yMcSQk  http://pic.twitter.com/6q2eR1XioT

https://twitter.com/NatGeoTravel/status/930933450839769088