Ka cika wannan magana: Babban birnin Jamus, Berlin, yana cikin yankin da Tarayyar Soviet ta mallaka bayan Yaƙin Duniya na Biyu. Da farko an gudanar da shi a cikin bangarori huɗu da ikon Allied hudu (Amurka, United Kingdom, Faransa da Tarayyar Soviet) suka mallaka, tashin hankali na Cold War ya karu har sai sojojin Soviet suka aiwatar da yarjejeniyar da aka yi a cikin shekara ta 1991.
Berlin ta rufe yankunan yammacin birnin, wanda abokan kawancen Yammacin Turai suka sauƙaƙe tare da jirgin sama mai ban mamaki. Bayan haka, bangarorin da NATO Allies ke sarrafawa sun zama ainihin yanki na Jamus ta Yamma, gabaɗaya Jamus ta Gabas ta kewaye su. Farawa a shekara ta 1952, an rufe kan iyaka tsakanin Gabas da Yamma a ko'ina sai dai a Berlin. Daruruwan dubban 'yan Jamus ta Gabas sun tsere zuwa Yammacin Berlin ta Yammacin Berlin, wani aikin da ya yi barazanar Jamus ta Gabas tare da rushewar tattalin arziki.