The thick walls are great for insulation. It keeps the interior very cool during the summertime, and warm during the wintertime, and the small windows were also very good because it limited the amount of temperature transfer between the interior and exterior.
厚い壁には断熱効果があり 室内を夏季には涼しく 冬季には暖かく保ちます 小さな窓も上手くできていました 室内外の熱の移動を 制限していたのです