A group of journalists from Iran's East Azerbaijan province toured the first power supply tunnel known as the Tabriz energy tunnel in the provincial capital of Tabriz in northwestern Iran on August 14, 2023. (IRNA Photos/Ali Hamed Haghdoust)
Tabriz energy tunnel is the first power tunnel with a length of around 4 km that can supply Tabriz safe electricity for the next 40 years.
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Aug 14, 2023, 8:16 PM
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