It's your first time in Eastern Europe, you don't speak the language, and you've no smartphone (or even cellphone). But you're confident because you have a terrific guidebook to... Yugoslavia?
원문출처 : https://www.cnn.com/travel/article/travel-before-the-internet/index.html
원문출처 : https://www.cnn.com/travel/article/travel-before-the-internet/index.html