Follow us on Twitter @IrnaEnglish
Publish Date: 16 September 2019 - 11:04
The 25-meter Radkan Tower dating back to 13th century has been designed by Great Iranian mathematician and astronomer Nasir al-Din Tusi, Mashhad, Khorasan Razavi prov, northeastern Iran, Sept 16, 2019. IRNA/Mohsen Bakhshandeh