Dear Samira, This video is one of the best video that I have seen from you. It is because not only this is a historical place, also it is totally, different compared to your other videos which they were mostly covered shopping malls and streets. This video was also very educational which made me (or us) to learn something new. Even I grew up in Tehran, but I never had a chance to see a small section of it. Thanks again for making these wonderful videos. God bless you for doing these things.