The port town of Hội An and its bridge within the 18th century. Watercolour engraving by Jacques Chereau (1688–1776), circa 1750. Historic maps within the 17th and 18th centuries demonstrate Hội An to the northern financial institution, linked to the sea by means of the Đại Chiêm Estuary and linked to Đà Nẵng's Đại Estuary by A fur