A simple step-by-step video on how to make an igloo by yourself. Filmed in northern Utah's mountains on a solo February snowshoeing trip in 2014. The traditional method of igloo building adds the blocks in a continuous upward sloping spiral. That works well, especially if you have an assistant helping you. But when I'm working alone I prefer the concentric ring method shown in this video. I use the string when teaching first-timers to cut blocks at the correct angles, but once you've made