Whether you're in the heartland of the United States or halfway across the world, when you crave an American meal, you're probably sinking your teeth into a hamburger.
원문출처 : https://www.cnn.com/travel/article/original-american-hamburger-restaurants-history/index.html
원문출처 : https://www.cnn.com/travel/article/original-american-hamburger-restaurants-history/index.html