Wednesday, September 26, 2012

Tohid Tunnel in Tehran, Iran ...

Tohid Tunnel is a tunnel in TehranIran. It is about 3 Km long.it is the third longest urban tunnel in middle east. it has also broken the record of construction to be opened in less than 30 months. it is interior technical design has met the highest safety licences.Utilities of Towheed Tunnel





















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