2 Metaphors for gasholders

Having a capacity of close upon 3,200,000 Austrian cubic feet, this gasholder is the largest of its kind on the Continent, and is surpassed in size by only a few in England and America.

The large gasholders, which are often a source of wonder to youthful minds as they rise and fall, are the places in which gas is stored for the use of our cities.

2 Metaphors for  gasholders