EghtesadOnline: Iranians have marked the Persian Poetry Day, which is also the anniversary of the passing of renowned Iranian poet Mohammad Hossein Behjat Tabrizi, better known by his pen name, Shahriar .

EghtesadOnline: The earth sinks in some plains in Tehran Province by about 0.5 to 1 millimeter every day, and conditions are more critical in Shahriar and Varamin counties in southwest and south Tehran, managing director of Tehran Regional Water Company said.