Rubuta ci gaba don wannan sakin layi - Babban birnin Jamus, Berlin, yana cikin zurfin yankin da Soviet Union ke sarrafawa bayan Yaƙin Duniya na II. Da farko ana gudanar da shi a cikin bangarori huɗu da ikon Allied huɗu ke sarrafawa (Amurka, United Kingdom, Faransa da Tarayyar Soviet), tashin hankali na Yakin Cacar Baki ya ƙaru har sai sojojin Soviet suka aiwatar da toshewar Berlin
na yammacin bangarorin birnin, wanda kasashen 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.