Views 1950s

Ancient - 500A

1970s

Future

1990s Visitors

1000 - 1500 1500 - 2000 0 - 500 500 - 1000

N Eu W Eu S Eu E Eu N Af E Af W Af C Af S Af

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W As C As S As E As SE As Ocea N Am C Am Car S Am

2000 - 2005 2005 - 2010 1900-1950 1950 - 2000

Netherlands

Belgium

Luxembourg

France

Monaco

Switzerland

Liechtenstein

Germany

Austria

N Europe W Europe S Europe E Europe N Africa E Africa W Africa C Africa S Africa

W Asia C Asia S Asia E Asia SE Asia Oceania North America C America Carribean S America

Netherlands

Belgium

Luxembourg

France

Monaco

Switzerland

Liechtenstein

Germany

Austria