<environment>
    <!-- Horizontal walls -->
    <object position="min 10.5 10 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 16.5 10 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 21 10 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 27 10 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <object position="min 21 15.5 0" orientation="0 0 0" shape="cuboid 10 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <object position="min 10.5 21 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 16.5 21 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 21 21 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 27 21 0" orientation="0 0 0" shape="cuboid 4 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <!-- Vertical walls -->
    <object position="min 10 10.5 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 10 14 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 10 16 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 10 19.5 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <object position="min 20.5 10.5 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 20.5 14 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 20.5 16 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 20.5 19.5 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <object position="min 31 10.5 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 31 14 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 31 16 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 31 19.5 0" orientation="0 0 0" shape="cuboid 0.5 1.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <!-- Walls at junctions --> 
    <object position="min 10 10 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 20.5 10 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 31 10 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <object position="min 10 15.5 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 20.5 15.5 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 31 15.5 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <object position="min 10 21 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 20.5 21 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>
    <object position="min 31 21 0" orientation="0 0 0" shape="cuboid 0.5 0.5 2" material="brick" fill-color="203 65 84" opacity="0.8" texture="brick.jpg"/>

    <!-- Horizontal windows --> 
    <object position="min 14.5 10.2 0" orientation="0 0 0" shape="cuboid 2 0.1 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>
    <object position="min 25 10.2 0" orientation="0 0 0" shape="cuboid 2 0.1 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>

    <object position="min 14.5 21.2 0" orientation="0 0 0" shape="cuboid 2 0.1 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>
    <object position="min 25 21.2 0" orientation="0 0 0" shape="cuboid 2 0.1 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>

    <!-- Vertical windows -->
    <object position="min 10.2 12 0" orientation="0 0 0" shape="cuboid 0.1 2 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>
    <object position="min 10.2 17.5 0" orientation="0 0 0" shape="cuboid 0.1 2 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>

    <object position="min 31.2 12 0" orientation="0 0 0" shape="cuboid 0.1 2 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>
    <object position="min 31.2 17.5 0" orientation="0 0 0" shape="cuboid 0.1 2 2" material="glass" fill-color="201, 219, 220" opacity="0.5"/>
</environment>