Wow.
This is great.
I am not sure if everyone realizes that we have just seen a momentous occasion.
This is the first time since the caravans on silk roads, that we have a ground link that could potentially link the Far East to Europe.
This could also provide a "green transportation" option compared to the polluting and relatively unsafe sea-freight option.
This also means that the real scope of this project is not limited to Pak-Iran-Turkey, instead this should be considered a link between Far East and Western Europe. The reason is that the mutual trade between Pak-Iran-Turkey may be in few $billion.
But the trade between far east and W. Europe is in 100s (if not 1000s) times more.