Standing tall at the heart of a mountain, a once strategic fort offering protection to people for centuries seems to be losing its battle against nature.
The focus of Persian Carpet Encyclopedia is on designs, patterns and aesthetics, technical knowledge, management, economics and trade, history, geography and the styles of carpets.
The United Nations Educational, Scientific and Cultural Organization (UNESCO) has plans to place Shush, an ancient Iranian city, on the 2015 World Heritage List.