The port city of Hội An and its bridge in the 18th century. Watercolour engraving by Jacques Chereau (1688–1776), circa 1750. Historic maps from the 17th and 18th centuries show Hội An over the northern financial institution, connected to The ocean by using the Đại Chiêm Estuary and connected to Đà Nẵng's Đại Estuary by another riv