For many decades, underground transport has been considered a convenient and reliable mode of transport. The London Underground, also known as the Pipe, celebrated its 150th anniversary a couple of years ago. Tested by time, it is considered not only the oldest underground communication system, but also the most extensive in the world.
The Copenhagen metro has a monorail system that receives passengers 24 hours a day.
São Paulo Metro, which is only 74 km long, allows 3.3 million passengers a day.
And in the Montreal metro, the traveler will meet cleanliness and order.
But where is the most convenient underground transport in the world?
1. Hong Kong Continue reading