. . "?????ng????nhh???, or D??ngt??ngh?? ????????? lake, interestingly that being place of birth of rice agriculture where vestiges of well-preserved artifacts of wild rice species, a whooping amount of 3000-year old remnnants, have been excavated in recent years and confirmed by scientists that, of which their varieties yielding different types of rice that we are consuming today have evolved from tho" . .