537 Days of WinterWhat would you do if you were stranded in the coldest place on earth as the world you knew back home changed forever? As station leader at the Davis Research Station in Antarctica, David Knoff was leading 24 expeditioners in a standard mission when the Covid 19 pandemic hit, international travel came to a standstill, and their ride home was cancelled indefinitely. What was supposed to be a routine mission became a high pressure cauldron of uncertainty