The busiest site has turned into a haunted place
Planted bomb on railway track contained 500 grammes of explosives and was to be detonated with a remote control
The residential quarters established by the Pakistan Railways for its staff look like a haunted place
Work on the project started in May, 2016 and was originally supposed to be completed within 18 months
High definition CCTV cameras installed among other security precautions
The underground bunker was built a few years before World War II for luggage storage