Japan

Nagoya

1978-12-21

USA

 St.Louis

1979-11-2

Italy

Florence

1980-2-22

the Netherlands

Eindhoven

1985-10-9

Germany

Leipzig

1988-5-21

Mexico

Mexicali City

1991-10-14

Cyprus

Limassol

1992-9-23

ROK

Daejeon

1994-11-14

Canada

 London, Canada

1997-5-7

Australia

 City of Perth

1998-5-18

South Africa

Bloemfontein

2000-3-22

Colombia

Barranquilla

2001-06-03

Malaysia

Melaka City

2008-10-30

Brunei

Bandar Seri Begawan

2011-11-11

Namibia

Windhoek

2015-12-09