The earliest type of sushi, a dish these days generally known as narezushi, has its possible origin with paddy fields alongside the Mekong River of what's now south-western China, Myanmar, Laos, and Thailand. Narezushi in historical China is very first documented across the 4th century, if the Han Chinese migrated https://rafaelohnmm.tinyblogging.com/histroy-of-sushi-58234883