Calgary Flames will trade the comfort of life in Calgary for the NHL’s secure zone. Calgary Flames open training camp after 4-month layoff The bubble is designed to keep players and a limited staff away from the outside world and inside the rink and designated hotels in hopes of stopping any spread of COVID-19.“Hopefully at least we can go out a little bit, take some fresh air or something,” defenceman Rasmus Andersson said Wednesday.“Just staying inside of a bubble or inside the hotel or the rink could be a little bit boring.”With the Stanley Cup expected to be lifted in October, the Flames could be in lockdown for more than two months if they make a deep run.