The completion of the world's largest Koran was hailed as a major achievement for the Afghanistan when it was officially unveiled in the nation's capital. Measuring more than 7ft long and 10ft wide, the text's 218 pages are decorated in 30 different calligraphy designs and took almost five years to finish.Its inauguration ceremony was held yesterday in front of key religious figures, clerics, scholars and government officials to coincide with the opening of Hakim Nasir Khusraw Balkhi Cultural Center and arts exhibition in Kabul.