上映于1967年的剧情《拴线的气球》，该片是由Binka Zhelyazkova执导，Georgi Kaloyanchev等主演，作为一部优秀的剧情，讲述了2005年索菲亚国际电影节回顾单元评选的“保加利亚影史十部最伟大影片”之一。　　A large balloon suddenly appears above villages and fields and grabs the attention of the peasants. They start liking the sudden guest from nowhere for the beauty of the free existence. A policeman comes and the dreams of freedom vanish.　　A barrage balloon appears unexpectedly over a Bulgarian village. The startled villagers decide to knock it down with a fusillade. But the balloon flies off to the mountains. The villagers, armed to their teeth, set off after it. But they are not alone in this undertaking. There is another armed group that chases the 'wonder'. An argument whose property the balloon is breaks out between the two groups. It turns out that the balloon flew from Romania over the Danube River. In the turmoil following the argument, the balloon is destroyed. The police arrive and punish the villagers for meddling in other people's affairs.