The art of "Mirror Work in Iranian Architecture" has been inscribed on UNESCO's intangible cultural heritage list, marking Iran's first global recognition in architectural heritage. This inclusion brings the total number of Iran's intangible cultural heritage elements to 27. The decision was made during the 20th session of the Intergovernmental Committee for the Safeguarding of the Intangible Cultural Heritage in Delhi, India. Mirror work combines various skills, including design, mirror work, plastering, painting, and mosaicking, symbolizing purity and light in traditional societies.