The recent abrupt fluctuations in the temperature have had an immediate impact on the snow fort, whose upkeep has now been neglected by its capricious early 20-something builders.
As you can see, the materials and construction techniques were not of the highest calibre. Perhaps the natives were so accustomed to living in a consistently cold climate that they never needed to develop the skills necessary to keep a building upright in above-freezing temperatures.
Climate change is real, people. Cut down your impact today!