Club officials first closed part of the stand in 1952, as a result of the Burnden Park disaster six years earlier.
A part of the old stand remains next to the family stand towards the east stand.
In June 2007 part of the main stand was damaged by fire.
All the parts of the stand are loosened and tightened via applied torque.
The western part of the stand, however, is converted into terracing for domestic league games.
The stadium officially seats 40,000, but because part of the upper stand has not been used since the mid-90s for safety reasons, current capacity is only 34,000.
How does that part of the parallel stand?
She stroked the rubber tube with her fingers and began to raise the upper part of the stand which held the bottle.
Since 1993, the easternmost part of the stand has been used to house away fans.
In 2004, parts of the stand were closed, after they were deemed unfit for use.