People dressed as a devil, left, and a witch, right, perform during the Walpurgis night in Erfurt, central Germany, Sunday, April 30, 2017. Costumed devils and witches meet to celebrate Walpurgis Night, a traditional religious holiday of pre-Christian origins. The event is named after St. Walburga, an English nun who helped convert the Germans to Christianity in the 8th century. (AP Photo/Jens Meyer)