Seattle-based Nordstrom is closing stores as it – and other brick-and-mortar retailers – face big challenges in a world that’s turning more to online shopping. The store at Northgate Mall is shutting down on Aug. 9. And in Anchorage, Alaska, the company will close a 97,000-square-foot store at the city’s Fifth Avenue Mall by September. But in Alaska’s largest city, where Nordstrom arrived 44 years ago, the news hit particularly hard.