The Most Challenging Railway Ever Built The thoughts and process for planning this railway have been in the making for five decades. It has been very controversial because of the extreme conditions of the land on which it is built on. It also crosses areas with some of the most delicate ecosystems on earth. Great measures had to be taken in the building of the track. 4/5 of the track spans over frozen earth. They had to find ways to divert the heat so it would not thaw the ground. If this happens the track would buckle from the temperature fluctuation. The conditions of cold and high … [Read more...]