The winner in Concepts: Ideas and Prototypes offers an ingenious – and aesthetically pleasing – solution to construction hoarding.
The A+ Student Award winner is by the University of Waterloo's Liyang Zhang, who provides a fresh take on water management.
Public Square, an FXCollaborative project, imagines an interlocking tile system that could reclaim space formerly occupied by vehicles - it earned a 2018 AZ Award of Merit in the Ideas/Prototypes category.
Smith Creek Park, by Virginia Tech's Design/buildLAB, has reinvigorated a neighbourhood of Clifton Forge, Virginia.
Troost Bridge, in Kansas City, Missouri; and Hariri Memorial Garden, in Beirut.