diff --git a/icons/icons.svg b/icons/icons.svg
index c4294d0..9a093f2 100644
--- a/icons/icons.svg
+++ b/icons/icons.svg
@@ -148,8 +148,8 @@
      showgrid="true"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
-     inkscape:cy="445.24665"
-     inkscape:cx="243.21278"
+     inkscape:cy="549.89131"
+     inkscape:cx="351.01608"
      inkscape:zoom="22.627417"
      inkscape:pageshadow="2"
      inkscape:pageopacity="0.0"
@@ -604,7 +604,7 @@
        inkscape:label="#rect9680" />
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        style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
-       d="m 357.5,74.5 -1,3"
+       d="m 356.5,74.5 -1,3"
        id="path13097"
        inkscape:connector-curvature="0"
        sodipodi:nodetypes="cc" />
@@ -612,13 +612,13 @@
        sodipodi:nodetypes="cc"
        inkscape:connector-curvature="0"
        id="path13103"
-       d="m 363.5,74.5 1,3"
+       d="m 362.5,74.5 1,3"
        style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" />
     <path
        sodipodi:nodetypes="cc"
        inkscape:connector-curvature="0"
        id="path13119"
-       d="m 360.5,74.5 0,3"
+       d="m 359.5,74.5 0,3"
        style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" />
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@@ -18763,36 +18763,37 @@
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        id="path13095"
        sodipodi:type="arc"
-       sodipodi:cx="360.5"
+       sodipodi:cx="359.5"
        sodipodi:cy="72"
        sodipodi:rx="4.500001"
        sodipodi:ry="4.500001"
        sodipodi:start="0"
        sodipodi:end="3.1415927"
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+       d="m 364,72 a 4.500001,4.500001 0 0 1 -2.25,3.897115 4.500001,4.500001 0 0 1 -4.5,0 A 4.500001,4.500001 0 0 1 355,72 l 4.5,0 z" />
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+       d="m 359.57812,66.640835 c -1.18495,0.451222 -1.5913,1.65797 -1.57812,2.859375 7e-5,0.535824 0.28596,1.030917 0.75,1.298828 0.4641,0.267949 1.0359,0.267949 1.5,0 0.46403,-0.267911 0.74992,-0.763004 0.75,-1.298828 0,-0.818561 -0.36794,-1.345314 -0.70716,-1.797516 0.004,0.464275 -0.17444,0.809087 -0.41495,1.01099 -0.63673,-0.526641 -0.71388,-1.20138 -0.29977,-2.072849 z"
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        style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
-       d="M 360.57812 82.640625 C 359.39317 83.091847 358.98682 84.298595 359 85.5 C 359.00007 86.035824 359.28596 86.530917 359.75 86.798828 C 360.2141 87.066777 360.7859 87.066777 361.25 86.798828 C 361.71403 86.530917 361.99992 86.035824 362 85.5 C 362 84.681439 361.63219 84.155327 361.29297 83.703125 C 361.29697 84.1674 361.11746 84.510988 360.87695 84.712891 C 360.24022 84.18625 360.16402 83.512094 360.57812 82.640625 z M 356 88 A 4.500001 4.500001 0 0 0 356.9043 90.705078 L 356.02539 93.341797 A 0.50028276 0.50028276 0 1 0 356.97461 93.658203 L 357.69141 91.507812 A 4.500001 4.500001 0 0 0 358.25 91.896484 A 4.500001 4.500001 0 0 0 360 92.466797 L 360 93.5 A 0.50005 0.50005 0 1 0 361 93.5 L 361 92.46875 A 4.500001 4.500001 0 0 0 362.75 91.896484 A 4.500001 4.500001 0 0 0 363.31055 91.513672 L 364.02539 93.658203 A 0.50028276 0.50028276 0 1 0 364.97461 93.341797 L 364.09375 90.699219 A 4.500001 4.500001 0 0 0 365 88 L 356 88 z "
+       d="M 359.57812,82.640625 C 358.39317,83.091847 357.98682,84.298595 358,85.5 c 7e-5,0.535824 0.28596,1.030917 0.75,1.298828 0.4641,0.267949 1.0359,0.267949 1.5,0 0.46403,-0.267911 0.74992,-0.763004 0.75,-1.298828 0,-0.818561 -0.36781,-1.344673 -0.70703,-1.796875 0.004,0.464275 -0.17551,0.807863 -0.41602,1.009766 -0.63673,-0.526641 -0.71293,-1.200797 -0.29883,-2.072266 z M 355,88 a 4.500001,4.500001 0 0 0 0.9043,2.705078 l -0.87891,2.636719 a 0.50028276,0.50028276 0 0 0 0.94922,0.316406 l 0.7168,-2.150391 A 4.500001,4.500001 0 0 0 357.25,91.896484 4.500001,4.500001 0 0 0 359,92.466797 L 359,93.5 a 0.50005,0.50005 0 1 0 1,0 l 0,-1.03125 a 4.500001,4.500001 0 0 0 1.75,-0.572266 4.500001,4.500001 0 0 0 0.56055,-0.382812 l 0.71484,2.144531 a 0.50028276,0.50028276 0 0 0 0.94922,-0.316406 l -0.88086,-2.642578 A 4.500001,4.500001 0 0 0 364,88 l -9,0 z"
        id="bbq"
-       inkscape:label="#path13121">
+       inkscape:label="#path13121"
+       inkscape:connector-curvature="0">
       <title
          id="title13139">BBQ</title>
     </path>
     <path
        style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:0.1;stroke-linecap:square;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
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+       d="m 375.57812,68.640835 c -1.18495,0.451222 -1.5913,1.65797 -1.57812,2.859375 7e-5,0.535824 0.28596,1.030917 0.75,1.298828 0.4641,0.267949 1.0359,0.267949 1.5,0 0.46403,-0.267911 0.74992,-0.763004 0.75,-1.298828 0,-0.818561 -0.36794,-1.345314 -0.70716,-1.797516 0.004,0.464275 -0.17444,0.809087 -0.41495,1.01099 -0.63673,-0.526641 -0.71388,-1.20138 -0.29977,-2.072849 z"
        id="path13141"
        inkscape:connector-curvature="0"
        sodipodi:nodetypes="ccsscccc" />
     <path
        style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
-       d="m 372.5,74.5 8,3"
+       d="m 371.5,74.5 8,3"
        id="path13143"
        inkscape:connector-curvature="0"
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@@ -18800,13 +18801,14 @@
        sodipodi:nodetypes="cc"
        inkscape:connector-curvature="0"
        id="path13145"
-       d="m 372.5,77.5 8,-3"
+       d="m 371.5,77.5 8,-3"
        style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" />
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        style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.1;stroke-linecap:square;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
-       d="M 376.57812 84.640625 C 375.39317 85.091847 374.98682 86.298595 375 87.5 C 375.00007 88.035824 375.28596 88.530917 375.75 88.798828 C 376.2141 89.066777 376.7859 89.066777 377.25 88.798828 C 377.71403 88.530917 377.99992 88.035824 378 87.5 C 378 86.681439 377.63219 86.155327 377.29297 85.703125 C 377.29697 86.1674 377.11746 86.510988 376.87695 86.712891 C 376.24022 86.18625 376.16402 85.512094 376.57812 84.640625 z M 372.48047 89.998047 A 0.50005 0.50005 0 0 0 372.32422 90.96875 L 375.07422 92 L 372.32422 93.03125 A 0.50062478 0.50062478 0 0 0 372.67578 93.96875 L 376.5 92.535156 L 380.32422 93.96875 A 0.50062478 0.50062478 0 0 0 380.67578 93.03125 L 377.92578 92 L 380.67578 90.96875 A 0.50005 0.50005 0 0 0 380.50586 89.998047 A 0.50005 0.50005 0 0 0 380.32422 90.03125 L 376.5 91.464844 L 372.67578 90.03125 A 0.50005 0.50005 0 0 0 372.48047 89.998047 z "
+       d="M 375.57812,84.640625 C 374.39317,85.091847 373.98682,86.298595 374,87.5 c 7e-5,0.535824 0.28596,1.030917 0.75,1.298828 0.4641,0.267949 1.0359,0.267949 1.5,0 0.46403,-0.267911 0.74992,-0.763004 0.75,-1.298828 0,-0.818561 -0.36781,-1.344673 -0.70703,-1.796875 0.004,0.464275 -0.17551,0.807863 -0.41602,1.009766 -0.63673,-0.526641 -0.71293,-1.200797 -0.29883,-2.072266 z m -4.09765,5.357422 a 0.50005,0.50005 0 0 0 -0.15625,0.970703 l 2.75,1.03125 -2.75,1.03125 a 0.50062478,0.50062478 0 1 0 0.35156,0.9375 l 3.82422,-1.433594 3.82422,1.433594 a 0.50062478,0.50062478 0 0 0 0.35156,-0.9375 l -2.75,-1.03125 2.75,-1.03125 a 0.50005,0.50005 0 0 0 -0.16992,-0.970703 0.50005,0.50005 0 0 0 -0.18164,0.0332 L 375.5,91.464844 371.67578,90.03125 a 0.50005,0.50005 0 0 0 -0.19531,-0.0332 z"
        id="firepit"
-       inkscape:label="#path13147">
+       inkscape:label="#path13147"
+       inkscape:connector-curvature="0">
       <title
          id="title13158">firepit</title>
     </path>
@@ -22257,5 +22259,28 @@
       <title
          id="title10009">shower</title>
     </path>
+    <path
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#000000;stroke-width:0.1;stroke-linecap:square;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       d="m 359.57812,33.640835 c -1.18495,0.451222 -1.5913,1.65797 -1.57812,2.859375 7e-5,0.535824 0.28596,1.030917 0.75,1.298828 0.4641,0.267949 1.0359,0.267949 1.5,0 0.46403,-0.267911 0.74992,-0.763004 0.75,-1.298828 0,-0.818561 -0.36794,-1.345314 -0.70716,-1.797516 0.004,0.464275 -0.17444,0.809087 -0.41495,1.01099 -0.63673,-0.526641 -0.71388,-1.20138 -0.29977,-2.072849 z"
+       id="path10011"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="ccsscccc" />
+    <path
+       style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       d="m 358,39.5 3,0"
+       id="path10014"
+       inkscape:connector-curvature="0" />
+    <path
+       style="opacity:0.2;fill:none;fill-opacity:1;stroke:#000000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       d="m 358.5,39.5 1,6 1,-6 z"
+       id="path10016"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccc" />
+    <path
+       style="opacity:1;fill:#0000ff;fill-opacity:1;stroke:none;stroke-width:0.1;stroke-linecap:square;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
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+       id="path10018"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="ccssccccccccccccccc" />
   </g>
 </svg>
diff --git a/scheme/default.yml b/scheme/default.yml
index 0be4fcc..8e68cef 100644
--- a/scheme/default.yml
+++ b/scheme/default.yml
@@ -904,6 +904,8 @@ node_icons:
       shapes: [cctv]
     - tags: {man_made: ventilation_shaft}
       shapes: [ventilation]
+    - tags: {railway: ventilation_shaft}
+      shapes: [ventilation]
     - tags: {advertising: billboard}
       shapes: [billboard]
     - tags: {natural: rock}