The ancient Zahhak Castle in Hashtrood, East Azarbaijan Province, has been illuminated for the first time using solar power, marking a step toward eco-friendly heritage preservation in Iran.
The lighting system, installed at an altitude of 1,800…

The ancient Zahhak Castle in Hashtrood, East Azarbaijan Province, has been illuminated for the first time using solar power, marking a step toward eco-friendly heritage preservation in Iran.
The lighting system, installed at an altitude of 1,800…