My Loi yam serving the king
It took Mr. Doan Thua, a 78-year-old farmer, half a day of hard work to dig up about 3 kilograms of yam (dioscorea hamiltonii), shiny tubes in the sun. He looked so excited, having no idea that My Loi yam (in Vinh My, Phu Loc) used to be served to the kings.