When it comes to bad luck, there are few superstitions as pervasive in Western culture as that of Friday the 13th. Like crossing paths with a black cat and breaking a mirror, the notion of a day that can bring misfortune is deeply embedded -- even if believers can't quite explain why.
원문출처 : https://www.cnn.com/style/article/why-friday-13-unlucky-explained/index.html
원문출처 : https://www.cnn.com/style/article/why-friday-13-unlucky-explained/index.html