It is the largest excavated underground city in the world and stretches more than 85 metres below the surface.

Excavation works at the largest irrigation tunnel in Türkiye, situated in southeastern Diyarbakır province, began on Thursday ...

Exploration Of The Ancient Megalithic Titus' Tunnel Near The Coast Of Turkey. Uncover the history and engineering of this ancient underground structure#TitusTunnel#AncientTurkey# ...

TURKEY: Electrification contractor RESA Yapi Elektromekanik has awarded Alstom a contract to supply rigid overhead catenary ...