About 1,500 years ago, something terrible happened at Sandby borg, a ringfort on the beautiful island of Öland, off Sweden's southeast Baltic coast.
원문출처 : https://www.cnn.com/2018/05/01/health/fifth-century-massacre-site-intact/index.html
원문출처 : https://www.cnn.com/2018/05/01/health/fifth-century-massacre-site-intact/index.html