The Mole Seaport at Zeebrugge, December 1918: The World’s Longest Breakwater
The Mole Seaport at Zeebrugge, photographed here in December 1918, stands as one of the most remarkable engineering achievements of the early 20th century. Deepwater Seaport Built for the Modern Age Opened in 1903 by King Leopold of Belgium, this vast deep-water harbour was built to withstand the harsh conditions of the North Sea. Its defining feature — a crescent‑shaped concrete Mole stretching 1.5 miles into the water — remains the longest structure of its kind in the world of the time. Today, Zeebrugge has grown into a chief industrial port, but its beginnings lie in this monumental construction that once dominated the Belgian coastline. The image shows evidence of damage after the raid. See the rubble lining the foot of the mole wall and a disused gun to the left. This photo was purchased from a flea-market to form part of the Zeebrugge collection. It is the original photo and is unlikely to be seen in mainstream published books or articles on the Web. The Mole at Zeebrugge is the ...