The port city of Hội An and its bridge from the 18th century. Watercolour engraving by Jacques Chereau (1688–1776), circa 1750. Historic maps in the seventeenth and 18th hundreds of years demonstrate Hội An within the northern financial institution, linked to the sea by way of the Đại Chiêm Estuary and linked to Đà Nẵng's Đại Estua