Mashhad lies in northeast of Iran. It is the provincial capital of Razavi Khorasan Province.
The city is home to the holy shrine of Imam Reza (AS), the eighth Shia Imam.
The holy shrine attracts many Shia Muslims pilgrims from Iran and across the world.
Here are some aerial photos, provided by the Red Crescent Society of Razavi Khorasan Province on the occasion of the 100th anniversary of its establishment, that show the beautiful city.