Stock Photo - 15 December 2022, Saxony-Anhalt, Quedlinburg: Restorer Petra Ullrich uses an etching technique with a quill pen to work on a leaded glass window at the Schneemelcher glass workshop in Quedlinburg. The glass workshop has existed since 1886 and is run by the fourth generation of the Schneemelcher family. According to its own information, the company is one of the largest glass painting workshops in Germany. The range of services offered by the traditional company includes artistic glass finishing, restoration of stained glass and leaded glass, as well as hall and industrial glazing. Among the challenging projects are the design and restoration of the choir windows in the Collegiate Church of Quedlinburg, which will be completed in the coming year. Photo: Matthias Bein/dpa. - Quedlinburg/Saxony-Anhalt/Germany