The retreat from major cities has been the pandemic’s big real-estate story — but that doesn’t mean metropolitan house prices have suddenly got cheap. From New York to London to Sydney, ultra-low interest rates and vast government fiscal support have limited distressed sales. Still, apartment rents have plummeted and suburban bidding wars have erupted as millions of workers have learned they can work from anywhere. “There’s been a spatial shock, whereby you don’t have to go to the city to earn money necessarily,” said Andrew Burrell, chief property economist at Capital Economics. “We think cities will change a lot.” As vaccine rollouts allow more cities to tentatively reopen offices, bars, restaurants and museums, here’s a look at what’s changing — and what’s stayed the same.