one hundred and sixty kilometers an hour through the Channel Tunnel is fast, but the fastest speed reached by a train was 581 kilometers an hour. A train in Japan did this in 2003
In Hong Kong, when you go by train from the airport to the city centre, you travel through 8 kilometers of tunnels, including one tunnel under the water of Victoria Harbour. You also travel over a number of bridges, including the spectacular tsing Ma Bridge. It is one of the longest bridges in the world, at 1,377 metres. The entire 34- kilometers journey takes just twenty-three minutes
When a link was built across the water between Denmark and Sweden, an island was created in the middle of the water. The island is 4 kilometers long. From Denmark, cars and trains travel the first part of the journey through a 4-kilometer tunnel to the island. Then, from the island, they go over abridge which is 7.8 kilometers long to Sweden. The link was opened in 2000