From Japan's serene mountain ranges to Cambodia's overgrown jungles, the remnants of these ancient highways will transport you back in time https://on.natgeo.com/2TVFWyL

From Japan's serene mountain ranges to Cambodia's overgrown jungles, the remnants of these ancient highways will transport you back in time https://on.natgeo.com/2TVFWyL 

https://twitter.com/NatGeoTravel/status/1113894182626766850