 Complete the following phrase:  From Bari, he calculated that Tito would want to be directing the recapture of Belgrade, so he headed towards there himself, landing at Valjevo with a jeep. It was here that Lili Marlene, the song broadcast from Radio Belgrade and which he had listened to night after night, from the desert to the mountain tops, finally ceased. Not long now, he thought. The Partisan troops travelled through Arandjelovac and soon met up with the Red Army, who were being hailed as liberators. Maclean noted that almost every one of them was a fighting soldier, and that their vehicles carried nothing but petrol and ammunition. For the rest, he presumed, they got from the enemy or the local people. We were witnessing a return to the administrative methods of Attila and Genghis Khan, and the results seemed to deserve careful attention. In the last ten miles outside the capital, they passed hundreds and hundreds of corpses from the recent battle, and a neat stack of a hundred or more who appeared to have been executed. When they reached the HQ of General Peko Dapčević, his chief of staff, who had only a vague notion of the geography of the city, took Maclean and Vivian Street out for a tour, through heavy shelling that he appeared oblivious to. From the terrace of the Kalemegdan, the ancient fort in the middle of the city, they witnessed the withdrawal of German troops over the Danube to the suburb of Zemun. Inexplicably, the Germans failed to blow up the bridge after the last of their troops were over it, allowing the Russians to follow only minutes behind. Maclean, some time afterwards, found out the answer to this puzzle, comparing it to a fairytale. An old schoolmaster, whose one experience of modern warfare was in the 