Popular Christmas markets open again in Germany

In this Tuesday, Dec. 4, 2018 photo people pay a visit to the traditional Christmas market in Heidelberg, Germany. The Christmas market In the Old Town of Heidelberg underneath the famous castle is one of most picturesque christmas markets in southern Germany. (AP Photo/Michael Probst)

HEIDELBERG, Germany — Germany’s popular Christmas markets are back in business, and the Gluehwein is flowing in Heidelberg’s old town — under the city’s landmark castle.