Read the following passage carefully. When the train was crossing the tunnels, we felt as if it were night because of the darkness for a few minutes even after the dawn. I could still remember the astounding experience in the longest tunnel among the 58 tunnels. Particularly the special coach called Vista dome coach, the airconditioned tourist compartment with wide windows and LCD TV, .is a special attraction to this train journey After Chimidipalli station, just after a tunnel, a grand waterfall made us spellbound. I could not account for all the waterfalls like this during the journey. The train reached Borra Caves by 9.40 a.m. We got down with our baggage. The train journey from Visakhapatnam to Borra Caves gave us an unforgettable experience that made us speechless. (A Journey through the Hills and Valleys) Now, answer the following questions. 1. When did they feel as if it were night?2. How many tunnels were there in their journey?3. What is a Vista dome coach?4. Where did they see a grand waterfall?5. How was their journey to Borra Caves?