March 14 is Pi Day in honor of the first three digits of the mathematical constant π (3.1415...). But it's also a flimsy, yet delicious, excuse to celebrate an enduring culinary concept: the many edible varieties of pie around the world.
원문출처 : https://www.cnn.com/travel/article/pies-around-the-world/index.html
원문출처 : https://www.cnn.com/travel/article/pies-around-the-world/index.html