The port city of Hội An and its bridge from the 18th century. Watercolour engraving by Jacques Chereau (1688–1776), circa 1750. Historical maps from the seventeenth and 18th centuries demonstrate Hội An within the northern lender, connected to The ocean via the Đại Chiêm Estuary and connected to Đà Nẵng's Đại Estuary by another riv