diff --git a/Visualization/Visualization _of _Selected_Variables/Maps/map_of_hamburg.png b/Visualization/Visualization _of _Selected_Variables/Maps/Map_of_Hamburg.png
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rename from Visualization/Visualization _of _Selected_Variables/Maps/map_of_hamburg.png
rename to Visualization/Visualization _of _Selected_Variables/Maps/Map_of_Hamburg.png
diff --git a/Visualization/Visualization _of _Selected_Variables/Maps/map_of_Hamburg_with_names.png b/Visualization/Visualization _of _Selected_Variables/Maps/Map_of_Hamburg_with_Names.png
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rename from Visualization/Visualization _of _Selected_Variables/Maps/map_of_Hamburg_with_names.png
rename to Visualization/Visualization _of _Selected_Variables/Maps/Map_of_Hamburg_with_Names.png