Tools and books on a shelf are covered in dust in the stonemasons workshop during restoration work on the east end of York Minster in York, northern England December 13, 2011.The east end of the Minster is undergoing a 20 million pounds ($31 million) restoration, which includes the East Window, designed by John Thornton in 15th Century. The project is expected to be completed in 2016. Photograph taken on December 13, 2011.[Photo/Agencies]