Have you ever heard of a remarkable canal in Poland that was named one of the Seven Wonders of Poland? Elbląg Canal is a man-made engineering marvel, 80.5 km in length, which runs southward from Lake Drużno to the river Drwęca and lake Jeziorak. It has been considered one of the most significant monuments related to the history of technology, listed by Unesco as a memorial to world culture inheritances. Let’s explore why this unique canal is celebrated internationally. The Difference in Water Levels The difference in water levels between Lake Drużno and Lake Jeziorak reaches up to 100 m, overcome using locks and a remarkable system of tracks between…