why metro rails run underground and above ground | facts about delhi metro  | delhi metro kiss
Channel: Gyan Ke Andhe
Date: 22/01/2024

The underground metro refers to a rapid transit system that operates primarily or entirely below ground level, using tunnels to facilitate the movement of trains. Underground metros are a common feature in densely populated urban areas where above-ground construction may be challenging due to space constraints or existing infrastructure. These metro systems typically consist of underground stations connected by tunnels, providing a network of transportation beneath the city's surface.
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