Three hours from Sofia, in the heart of the Balkan Mountains, a potholed road twists its way up Mount Buzludzha, leading to "Bulgaria's UFO."
원문출처 : http://www.cnn.com/2017/01/18/travel/bulgaria-buzludzha-monument/index.html
원문출처 : http://www.cnn.com/2017/01/18/travel/bulgaria-buzludzha-monument/index.html