The simple design of the Burk FreeJack Head is inspired by telephoto camera lenses and utilizes a powerful LED harnessed by field changeable optics for precision beam control. http://www.ylighting.com/tech-lighting-burk-freejack-head.html #YinTheWild
The use of Stained glass is common in the interior design of Iranian architecture and also in Churches and Synagogues. But it may seem amazing to you to see it in Mosques. Nasir-ol-Molk Mosque is one of the few mosques in the world whose impressive interior design with “stained glass” has turned it into an admirable artwork.