Phnom Penh Post, 04 May 2017
Driving along National Road 6 from Phnom Penh towards Kampong Thom and Siem Reap, one will spot the looming heads of stone serpents – or nagas – on the hundreds of ancient bridges built between the 10th and 14th centuries.
Source: Untampered and intact ancient bridges to stay that way, Post Property, Phnom Penh Post