The document discusses several projects that use modern design elements to tell the story of Perth's heritage: 1) The Historic Heart Night Walk will implement modern urban street design and architectural lighting in streets and laneways. 2) The mobile app integrated into the Historic Heart Night Walk will allow users to activate projections on streets, walls or buildings to tell Perth's story. 3) The Wellington Square Gardens will be built using green urbanism methods to grow native Australian flora and create a nature park that integrates the environment with modern architecture.