diff --git a/Locations/Bosphorus/Bosphorus.x3d b/Locations/Bosphorus/Bosphorus.x3d
index cc932f7ab62aad663aba38cc316bb924460117c3..e2728048121291b6ac3f345cba5b8d5b06f92ff3 100644
--- a/Locations/Bosphorus/Bosphorus.x3d
+++ b/Locations/Bosphorus/Bosphorus.x3d
@@ -7,7 +7,7 @@
     <meta content='Terrain model of Bosphorus, Istanbul, Turkey' name='description'/>
     <meta content='Yucel Alver, Murat Ozdogan' name='creator'/>
     <meta content='29 October 2007' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='13 September 2021' name='modified'/>
     <meta content='Rez, http://planet-earth.org/Rez/RezIndex.html' name='generator'/>
     <meta content='https://savage.nps.edu/Savage/Locations/Bosphorus/Bosphorus.x3d' name='identifier'/>
     <meta content='../../license.html' name='license'/>
@@ -15,12 +15,12 @@
   <Scene>
     <WorldInfo title='Bosphorus.x3d'/>
     <Group>
-      <PointLight location='10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='-10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='0 10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 -10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 0 10000000000' radius='100000000000000'/>
-      <PointLight location='0 0 -10000000000' radius='100000000000000'/>
+      <PointLight location='10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='-10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='0 10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 -10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 0 10000000000' radius='100000000000000.'/>
+      <PointLight location='0 0 -10000000000' radius='100000000000000.'/>
       <GeoViewpoint description='Default Viewpoint' position='41.20 29.30 0'>
         <GeoOrigin DEF='ORIGIN' geoCoords='41.30 29.31 0'/>
       </GeoViewpoint>
diff --git a/Locations/Dardanelles/Dardanelles.x3d b/Locations/Dardanelles/Dardanelles.x3d
index a1274f3b3fc3900daaa8da3718b4b1672c9449b3..0b69cba4e8dd85a99a4871b195f42b6f88fe959c 100644
--- a/Locations/Dardanelles/Dardanelles.x3d
+++ b/Locations/Dardanelles/Dardanelles.x3d
@@ -7,7 +7,7 @@
     <meta content='Terrain model of Dardanelles, Turkey' name='description'/>
     <meta content='Murat Ozdogan' name='creator'/>
     <meta content='23 October 2007' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='13 September 2021' name='modified'/>
     <meta content='Rez, http://planet-earth.org/Rez/RezIndex.html' name='generator'/>
     <meta content='https://savage.nps.edu/Savage/Locations/Dardanelles/Dardanelles.x3d' name='identifier'/>
     <meta content='../../license.html' name='license'/>
@@ -15,12 +15,12 @@
   <Scene>
     <WorldInfo title='Dardanelles.x3d'/>
     <Group>
-      <PointLight location='10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='-10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='0 10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 -10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 0 10000000000' radius='100000000000000'/>
-      <PointLight location='0 0 -10000000000' radius='100000000000000'/>
+      <PointLight location='10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='-10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='0 10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 -10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 0 10000000000' radius='100000000000000.'/>
+      <PointLight location='0 0 -10000000000' radius='100000000000000.'/>
       <GeoViewpoint description='Default Viewpoint' orientation='-1 0 0 1.57' position='40.16643453115464 26.49987728550963 189236.70777323423'>
         <GeoOrigin DEF='ORIGIN' geoCoords='40.16643453115464 26.49987728550963 0'/>
       </GeoViewpoint>
diff --git a/Locations/GlobeLevel0to4/Globe.x3d b/Locations/GlobeLevel0to4/Globe.x3d
index ff98823b40c7a8b109f84171c8209652dda7dcf6..ef29ce97c59ccafab3f13dbcec84b4456e24f91c 100644
--- a/Locations/GlobeLevel0to4/Globe.x3d
+++ b/Locations/GlobeLevel0to4/Globe.x3d
@@ -7,7 +7,7 @@
     <meta content='Quadtree globe of LOD level 0 to 4, generated with Rez' name='description'/>
     <meta content='Byounghyun Yoo' name='creator'/>
     <meta content='20 May 2008' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='13 September 2021' name='modified'/>
     <meta content='Rez, http://www.rez3d.com' name='generator'/>
     <meta content='https://savage.nps.edu/Savage/Locations/GlobeLevel0to4/Globe.x3d' name='identifier'/>
     <meta content='../../license.html' name='license'/>
@@ -15,12 +15,12 @@
   <Scene>
     <WorldInfo title='Globe.x3d'/>
     <Group>
-      <PointLight location='10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='-10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='0 10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 -10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 0 10000000000' radius='100000000000000'/>
-      <PointLight location='0 0 -10000000000' radius='100000000000000'/>
+      <PointLight location='10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='-10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='0 10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 -10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 0 10000000000' radius='100000000000000.'/>
+      <PointLight location='0 0 -10000000000' radius='100000000000000.'/>
       <GeoViewpoint description='Default Viewpoint' orientation='-1 0 0 1.57' position='-0.041663984490980965 -0.04166130228196607 2.9970000893175602E7'>
         <GeoOrigin DEF='ORIGIN' geoCoords='0.0 0.0 -6378137.0' geoSystem='"GD"'/>
       </GeoViewpoint>
diff --git a/Locations/NarragansettBayRhodeIslandBathymetry/NarragansettBayMerged.x3d b/Locations/NarragansettBayRhodeIslandBathymetry/NarragansettBayMerged.x3d
index e4071ccf19cdceb297b0199e11bd6a596d195368..afabbebe9acc28bac7d0b92e9a3c20e175185aed 100644
--- a/Locations/NarragansettBayRhodeIslandBathymetry/NarragansettBayMerged.x3d
+++ b/Locations/NarragansettBayRhodeIslandBathymetry/NarragansettBayMerged.x3d
@@ -6,7 +6,7 @@
     <meta content='NarragansettBayMerged.x3d' name='title'/>
     <meta content='Byounghyun Yoo, Don Brutzman' name='creator'/>
     <meta content='16 June 2008' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='13 September 2021' name='modified'/>
     <meta content='Merged bathymetry + large-area terrain tiles + coordinate axes.' name='description'/>
     <meta content='https://savage.nps.edu/Savage/Locations/NarragansettBayRhodeIslandBathymetry/NarragansettBayMerged.x3d' name='identifier'/>
     <meta content='X3D-Edit, https://savage.nps.edu/X3D-Edit' name='generator'/>
@@ -35,12 +35,12 @@
     <!-- TODO experiment: replace PointLights with single geospatially referenced DirectionalLight -->
     <Switch DEF='LightSwitch' whichChoice='1'>
       <Group DEF='PointLights'>
-        <PointLight location='10000000000 0 0' radius='100000000000000'/>
-        <PointLight location='-10000000000 0 0' radius='100000000000000'/>
-        <PointLight location='0 10000000000 0' radius='100000000000000'/>
-        <PointLight location='0 -10000000000 0' radius='100000000000000'/>
-        <PointLight location='0 0 10000000000' radius='100000000000000'/>
-        <PointLight location='0 0 -10000000000' radius='100000000000000'/>
+        <PointLight location='10000000000 0 0' radius='100000000000000.'/>
+        <PointLight location='-10000000000 0 0' radius='100000000000000.'/>
+        <PointLight location='0 10000000000 0' radius='100000000000000.'/>
+        <PointLight location='0 -10000000000 0' radius='100000000000000.'/>
+        <PointLight location='0 0 10000000000' radius='100000000000000.'/>
+        <PointLight location='0 0 -10000000000' radius='100000000000000.'/>
       </Group>
       <Transform DEF='DirectionalLights' rotation='1 0 0 0.78'>
         <DirectionalLight/>
diff --git a/Locations/StraitsOfHormuz/StraitsOfHormuzSmall.x3d b/Locations/StraitsOfHormuz/StraitsOfHormuzSmall.x3d
index 29f9407f218fb46caaf8ea61923efef9f2e941aa..6831d7781f2561987b7c5b815128c003e43daf6e 100644
--- a/Locations/StraitsOfHormuz/StraitsOfHormuzSmall.x3d
+++ b/Locations/StraitsOfHormuz/StraitsOfHormuzSmall.x3d
@@ -7,7 +7,7 @@
     <meta content='Straits of Hormuz, Persian Gulf' name='description'/>
     <meta content='LCDR Mike Milliken' name='creator'/>
     <meta content='14 December 2007' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='13 September 2021' name='modified'/>
     <meta content='too many lights! they are very expensive' name='warning'/>
     <meta content='Rez, http://planet-earth.org/Rez/RezIndex.html' name='generator'/>
     <meta content='https://savage.nps.edu/Savage/Locations/StraitsOfHormuz/StraitsOfHormuzSmall.x3d' name='identifier'/>
@@ -16,12 +16,12 @@
   <Scene>
     <WorldInfo title='StraitsOfHormuzSmall.x3d'/>
     <Group>
-      <PointLight location='10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='-10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='0 10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 -10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 0 10000000000' radius='100000000000000'/>
-      <PointLight location='0 0 -10000000000' radius='100000000000000'/>
+      <PointLight location='10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='-10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='0 10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 -10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 0 10000000000' radius='100000000000000.'/>
+      <PointLight location='0 0 -10000000000' radius='100000000000000.'/>
       <GeoViewpoint description='Default Viewpoint' orientation='-1 0 0 1.57' position='26.3456597347756 56.33160427093061 233309.5324695896'>
         <GeoOrigin DEF='ORIGIN' geoCoords='26.3456597347756 56.33160427093061 0' geoSystem='"GD"'/>
       </GeoViewpoint>
diff --git a/Locations/TunisAirportTunisia/TunisAirportTunisia.x3d b/Locations/TunisAirportTunisia/TunisAirportTunisia.x3d
index c29e90535e375e3a2d4b646cac2c16b1d2ed820e..17cd7b74d4bea7ab92eafc740a5545d2701a6319 100644
--- a/Locations/TunisAirportTunisia/TunisAirportTunisia.x3d
+++ b/Locations/TunisAirportTunisia/TunisAirportTunisia.x3d
@@ -8,7 +8,7 @@
     <meta content='Tunis Airport, Tunis, Tunisia' name='description'/>
     <meta content='Byounghyun Yoo' name='creator'/>
     <meta content='17 March 2008' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='13 September 2021' name='modified'/>
     <meta content='Rez, http://planet-earth.org/Rez/RezIndex.html' name='generator'/>
     <meta content='https://savage.nps.edu/Savage/Locations/TunisAirportTunisia/TunisAirportTunisia.x3d' name='identifier'/>
     <meta content='../../license.html' name='license'/>
@@ -179,12 +179,12 @@
       </MetadataSet>
     </WorldInfo>
     <Group>
-      <PointLight location='10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='-10000000000 0 0' radius='100000000000000'/>
-      <PointLight location='0 10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 -10000000000 0' radius='100000000000000'/>
-      <PointLight location='0 0 10000000000' radius='100000000000000'/>
-      <PointLight location='0 0 -10000000000' radius='100000000000000'/>
+      <PointLight location='10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='-10000000000 0 0' radius='100000000000000.'/>
+      <PointLight location='0 10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 -10000000000 0' radius='100000000000000.'/>
+      <PointLight location='0 0 10000000000' radius='100000000000000.'/>
+      <PointLight location='0 0 -10000000000' radius='100000000000000.'/>
       <GeoViewpoint description='Default Viewpoint' orientation='-1 0 0 1.57' position='36.85232285848162 10.229842500002526 4719.680360140046'>
         <GeoOrigin DEF='ORIGIN' geoCoords='36.85232285848162 10.229842500002526 0' geoSystem='"GD"'/>
       </GeoViewpoint>