Skilled craftsman at work making Pietra Dura gem souvenirs using traditional old-fashioned methods in Agra, India
Restored west window of York Minster cathedral in heart of York design tracery after fire in 1984, UK
When warm moist air comes in contact with cold glass it condenses and freezes into crystals that become wonderful works of art. Only extreme, frigid, cold weather produces the filigree of patterns and fanciful shapes.
