Trains are a top choice for many travellers, and it's easy to see why. They're comfortable, budget-friendly and offer breathtaking scenic views. But have you ever noticed the shape of their roofs? If ...

W hat is the most critical part of a house - foundation, wall, roof, openings or staircase? The obvious answer is roof, hence may be the metaphorical meanings when we say ‘roof over the head’. It is ...