Countries like the United Kingdom and France are locking down amid a spike in cases. They’re concerned that winter will only make things worse. But if Europe and America want to see an example of how well lockdowns work during colder months, they need only look at Melbourne, Australia. The country’s second-largest city went through two lockdowns – one of which happened during its winter. Remarkably, the city has reported no new cases since late October. But, Jason Gale reports, it has come at a cost.