16.Which is the Longest road tunnel in the world View Answer Report DiscussAnswer: ST. GOTHARD ROAD TUNNEL(SWITZERLAND) Explanation:Currently no explanation available Improve this answer lets discuss in forum
17.Which is the Longest bridge in the world View Answer Report DiscussAnswer: SECOND LAKE PONTCHAR TRAIN CAUSEWAY Explanation:Currently no explanation available Improve this answer lets discuss in forum
18.Which is the Longest fresh water lake in the world View Answer Report DiscussAnswer: LAKE TANGANYIKA Explanation:Currently no explanation available Improve this answer lets discuss in forum
19.Which is the Longest railway tunnel in the world View Answer Report DiscussAnswer: SEIKAN RAIL TUNNEL (JAPAN) Explanation:Currently no explanation available Improve this answer lets discuss in forum
20.Which is the Longest railway line in the world View Answer Report DiscussAnswer: TRANS SIBERIAN RAILWAY(RUSSIA) Explanation:Currently no explanation available Improve this answer lets discuss in forum