Madagascar

Antananarivo

2005-11-28

Brazil

Porto de Alegre

2004-6-22

 Denmark

Esbjerg

2002-8-20

the Netherlands

Nijmegen

1999-9-23

 France

Grenoble

1998-9-20

 Egypt

Ismailia

1998-3-3

 Latvia 

Riga

1997-9-22

 ROK

Jeonju

1996-3-21

Romania

Tulcea

1995-9-20

USA

Portland, Oregon

1988-6-7

 Japan

Ikeda

1981-6-6

 Japan

Kanazawa

1981-6-13

Canada

 Victoria City, Canada

1980-10-20

 Italy

Venice

1980-3-24