[Images must be submitted before 1 November] Design charity Building Trust International has launched a photography contest focusing on contrasts in architecture
Entrants are asked to splice two images together to show architectural differences and similarities side by side.
Categories include landscape, architecture, people, money, time, work and an open category. The winner will claim a digital SLR and publicity for his or her image.
Images must be submitted before 1 November
Winners will be announced 7 November