diff --git a/imports_from_TOAR1/populate_database_via_REST.py b/imports_from_TOAR1/populate_database_via_REST.py
index b774acd9a2ebf00898802339c95247638e732f31..631f76f23051cfbedea7dca4de3b88af4155ddbe 100644
--- a/imports_from_TOAR1/populate_database_via_REST.py
+++ b/imports_from_TOAR1/populate_database_via_REST.py
@@ -72,13 +72,34 @@ tr_type_of_environment = {
     'traffic'    : 'Traffic',
     'industrial' : 'Industrial',
     'other'      : 'Other' }
+# there are still more (but not in German AIRBASE stations):
+#agricultural
+#urban
+#other-marine
+#other-agricultural
+#commercial
+#other
+# (the empty string!)
 
 tr_type_of_area = {
     'unknown'  : 'Unknown',
     'urban'    : 'Urban',
     'suburban' : 'Suburban',
     'rural'    : 'Rural',
-    'remote'   : 'Remote' }
+    'remote'   : 'Remote',
+# the following ones do not belong to the controlled vocabulary!
+    'rural-remote' : 'Rural',
+    'rural-nearcity' : 'Rural' }
+# there are still more (but not in German AIRBASE stations):
+#rural-regional
+#alpine grasslands
+#marine
+#Urban
+#forest
+# (the empty string!)
+
+ rural-remote
+ background
 
 
 if __name__ == "__main__":