37.0 CMU retaining wall

In order to bury the office apse at the front of our earth sheltered home, I needed to build a retaining wall with a window in it. For this corner of the build, I decided to use CMU's, Concrete Masonry Units, AKA concrete blocks. We also had to insulate the apse structure.

You can catch up with our progress at www.facebook.com/HomeintheEarth/

or learn more detail at www.homeintheearth.com/2017/09/06/building-cmu-retaining-wall-around-office-apse/ ... https://www.youtube.com/watch?v=f4dwyPcs9lw