Mexico, 1998

Palaos, 1998

Greenland, 1999

Kamtchatka, 1999

Indonesia, 1999

Venezuela, 1999

Argentina, Peru, 1999

British Columbia, 2000

New-Zealand, 2000

Chile, Bolivia, Niger, 2000

Indonesia, 2000

Botswana, Tanzanie, Zimbabwe, 2001

Borneo, 2001

Mexico, Greenland, Asutralia, Florida, 2001

Patagonia, 2001

Hawaii, French Polynesia, 2002

Brazil, 2002

Madagascar, 2002

Siberia, 2002

Bangladesh, India, 2003

Cevennes, 2003

Alaska, 2003

Sudan, 2003

Low-California, 2004

Mongolia, 2004

Ecuador, Galapagos Islands, 2004

Ladakh, Zanskar, 2004

Arctic, 2005

Australia, 2005

Ethiopia, 2005