First things first. There is no Reunification Express. At least not officially. It is called the North–South Railway. Covering 1,726 kms, it is the main railway line that connects the political capital of Hanoi with the commercial capital of Saigon. View of the South China sea A bit of history first Construction of the line linking these two cities began during the French rule in 1899.  It took nearly 40 years for its completion, finally connecting the cities in 1936. However, the line was continuously sabotaged and bombarded during the Vietnamese fight with the French, and later during the Vietnam War. It wasn’t after the war finally ended, in 1975,…