Ever since the construction of the first modern tunnel in London, beneath the River Thames in the middle of the 19th century, tunnels have become essential infrastructures for today’s transportation systems. Do you know which are the longest ones in the world?
Until relatively recently, making a long trip in an electric vehicle was relatively complicated. But nowadays it’s more than possible. You just have to take into account a few questions.
The network of roads was one of the crucial elements in the political and military strategy of the Roman Empire. And their construction is one of the examples of the intelligence of Roman engineering.