
The Science Behind Underground Tunnels: How Are They Built? ππ οΈ
Underground tunnels are engineering marvels that connect cities, transport people and goods, and even house utilities. But how do engineers build tunnels beneath rivers, mountains, and urban landscapes without them collapsing? Letβs explore the fascinating science behind tunnel construction! π§π¬ 1. Why Build Underground? πποΈ Tunnels offer unique advantages over surface roads and bridges: β …