You can send your message to manager of Chitgar Park by submitting the below form.
Chitgar Park is a recreational place that is located in the western part of Tehran, Iran. It is included of an Artificial Lake and Chitgar Forest Park. The lake has a coastal zone, and the park consists of various facilities such as ramps for cycling and skating and also restaurants and barbeque places for families.
For more, watch the movie on this link.