Saudi Arabia's Qiddiya City has unveiled plans for a 33,000-seat tennis center featuring retractable roofs, mountain-site construction challenges and a global design team.
Nearly every aspect of Portland International Airport is getting a redo as the $2-billion PDX Next project redevelops or expands two concourses, adds parking, updates operations and features a core terminal redevelopment.
New Orleans’ Audubon Aquarium chose to replace its massive 65,000-sq-ft traditional roof with a more sustainable system after Hurricane Katrina damaged the roof in 2005.