What are stained glass windows?

There have been stained glass windows in Christian churches as early as the 5th century. Today stained glass windows not only adorn churches but also private homes and commercial buildings. They can be figurative, symbolic or ornamental. Traditionally they are made of coloured glass, which is often painted with vitreous glass paint for added line and shading detail (e.g. figurative windows). The paint is fired into the glass at very high temperatures and then the individual glass pieces are assembled into panels with lead came, which is soldered at the joints.

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