And you can't live with that excitement without getting in touch with the man in charge. He is Mr. Mehdi Ghadyanloo. I chatted with him over Facebook to get a sense of why he is doing this.
What motivates you to paint these spectacular murals?
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"I have a surreal mind and I saw many dreams before and in my mind I always fight with gravity of the earth and I felt that people here in Tehran need more fun in the streets, then I started to paint."
Is Tehran a city in need of colour?
"Tehran needs color much more than other cities because we don't have good urban planning here."
What's the general public reaction to your art?
"Most people like these murals. Here are so many paintings that are low quality copy of my murals that harm the street view cause they don't respect perspective, peoples' POV, and in taxis or buses I see people showing interest to my works.
Now, it's your time to enjoy Mehdi's urban art in the photo slide above.