feed the guns

Trafalgar Square, October 1918 : War Savings Campaign: 'Feed the Guns'

http://www.iwm.org.uk/collections/item/object/23497
A ruined farmhouse was built on the fountain, the Gordon statue was hidden by a crumbling church tower, next to it were two military lookouts camouflaged as tree trunks, and trenches built of sandbags surrounded the whole village.

The devices of the theatre were frequently invoked at home to stimulate civilian morale and publicise the War Loan

a spectacular ruined village erected in Trafalgar Square helping to draw in £29 million from Londoners in just 8 days in October 1918