 
 <prompt> Bunkers dey sometimes dey located for places like Berlin? Given di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Germans build big strong concrete blockhouses wey reach six storeys high, wey dem dey call Hochbunker "High Bunkers" or "Flaktürme" flak towers, wey dem put anti-aircraft artillery on top. The ones for cities wey Allied land forces attack come turn to fortresses. Some for Berlin na some of the last buildings wey fall to Soviets during Battle of Berlin for 1945. British build structures like Maunsell Forts for North Sea, Thames Estuary and other tidal areas wey dem put guns on top. After the war, most of them dey abandoned. Some dey outside territorial waters, and dem get second life for 1960s as platforms for pirate radio stations. 