International tour guides along with their Iranian fellows pose for a photo during a visit to the magnificent ruins of Persepolis in southern Iran on February 2, 2017.

Over 140 tour guides from 35 countries convened at the 17th World Federation of Tourist Guide Associations convention, which took place in Tehran from Jan. 28 to Feb. 1. Sightseeing at Persepolis was in the post-convention timetable.

Prior to the convention, the tourism activists visited arrays of natural beauties and historical spots scattered across provinces of Qazvin, Zanjan and Hamedan. 

AFM/MG