Grimshaw has unveiled plans to rethink the area around Allegiant Stadium in Las Vegas, replacing two parking lots with a new public arrival space designed around movement, gathering and underground transport.

Philadelphia is getting a new arena for its biggest indoor sports teams, and its architecture starts with a building that disappeared more than a decade ago.

At Melbourne’s Punt Road Oval, the football club gets a new home designed around everything that happens before, during and after the game.

Nigel Sylvester has spent years turning BMX into a first-person language. Through his “GO” series, the New York rider took cameras onto bikes, through streets, cities and unfamiliar places, giving viewers a direct view of the speed, risk and improvisation that define his world. His latest project, “Brick After Brick”, continues that story from a different angle, looking at the career, culture and ideas that have made Sylvester one of BMX’s most recognisable figures.