When I come to the Netherlands, Amsterdam's canal Canals of Amsterdam, be sure to come and see, Amsterdam is a water city, very beautiful and beautiful. The river network is staggered and the river is crisscrossed. The canal, with a total length of more than 100 km, has about 90 islands and 1,500 bridges, making the city known as the "Venice of the North", with three canals (gentlemans, emperors and princes canals) along the main residential areas, while the fourth canal on the outside, Sinwell, Today's Nassau/Stadhowdhau, for defense and water treatment, this plan also designed radiative canals to connect these major canals to one another.