An emergency shelter has been built on top of the observatory tower for the benefit of those caught out by bad weather , and , although the base of the tower is slightly lower than the true summit of the mountain , the roof of the shelter overtops the trig point by several feet , making it the highest man-made structure in the UK .
An emergency shelter has been built on top of the observatory tower for people caught out by bad weather , and , although the base of the tower is slightly lower than the true summit of the mountain , the roof of the shelter is higher than the trig point by several feet , making it the highest man-made structure in the UK .