The port town 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 generations clearly show Hội An to the northern financial institution, connected to the sea by way of the Đại Chiêm Estuary and linked to Đà Nẵng's Đại Estuary by another