In Germany’s Harz mountains, witches and devils are on the loose, the towns eerily decorated: After a two-year break due to the coronavirus, the traditional Walpurgis Night is being celebrated again in many towns. In the town of Wernigerode, costumed people symbolically stormed the town hall on Saturday afternoon. Many hundreds of spectators watched the spectacle on the market square, which is the prelude to the Walpurgis celebrations for the witches and devils. In many places there are celebrations and concerts. In the afternoon, parades and theatre performances for children and families are …