sentences:  A green Jacinth slab was placed underneath the angel, the slab borne by a gigantic bull Kuyūthā, which in turn rested on the great swimming fish Bahamūt.Qazwini's cosmography above have been compared to a similar entry in Yaqut's "Mu'jam al-Buldan" and Ibn al-Wardī's "Kharīdat al-'Ajā'ib", with small differences noted.When discussing time, Qazwini makes parallel comparison of the Islamic, Roman and Iranian calendars.