The world's longest train movie exceeding 2 kilometers in length

It seems that vehicles capable of carrying about 84 tons of ore can tow about 200 cars. The passenger car seems to have an average transportation volume of 16.6 billion tons a year on only one trail at the end. If there is a railroad crossing, it is likely that a railroad crossing will not be opened.

Details are as below.
It will not pass by anything.
YouTube - Longest Train


Details of the train are from the following. It seems that the actual total length is 2.5 km.

SNIM - Societe Nationale Industrielle et Miniere - The ore train

It is said that he will run a rail that is spread over 700 km.

Mauritania Railway - Wikipedia, the free encyclopedia