Barricades are going up on Little Detroit Lake this week in anticipation of the ice harvest that will launch construction of Detroit Lakes' 2022 Polar Fest Ice Palace, starting Thursday, Jan. 20. The ice palace will be the city's largest to date, containing roughly 2,000 blocks of ice harvested directly from the lake. Polar Fest will officially begin Thursday, Feb. 11 and conclude Sunday,. Feb. 27. The super-sized winter festival marks the culmination of the community's 150th birthday celebration.