U.S. Air Force Capt. Tyler Hansen, 510th Fighter Squadron F-16 Fighting Falcon pilot, looks at snow crystals through a magnifying glass during an avalanche theory class at Piancavallo, Italy, Jan. 20, 2021. A portion of the class was dedicated to studying snow profiles, and how they may affect the likelihood of an avalanche. (U.S. Air Force photo by Staff Sgt. K. Tucker Owen)

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Photo by: Staff Sgt. K. Tucker Owen |  VIRIN: 210120-F-DV125-1109.JPG