The river has green and beautifully arranged parks alongside it, with big trees all the way, which you can walk under to enjoy the shade (necessary in summer). There is a lot of water in the river, surprisingly, since the city is situated in the desert. It was once a stop on the silk way to China and some of the bridges are from the 16th and 17th century. Their architecture is outstanding.
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Extend your ballad to the Bagh-e Pr Pope (Pr Pope Park), and the mosoleum where Arthur Upham Pope and his Wife Phyllis Ackerman are buried. The 2 American scientists were thanked and honored by Iran for their life spent dedicated to make Iran rediscover its cultural heritage.