Holy Trinity Cathedral, and the smaller St. George Chapel next door, both have windows on all sides made of faceted glass.
Faceted glass windows are not stained glass windows, which use thin pieces of flat glass. Faceted glass windows use thick slabs of glass, cut into desired shapes, then selectively faceted (chipped) on the edges of the glass to enhance the refraction of light.
To reflect the desert, the Cathedral's and Chapel's faceted glass is embedded in sandy concrete.
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