deposito di benua timur
Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
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Afrika
Cameroon, East Africa, Tanzania, Western Africa
Namibia, Uganda
Eropah
United Kingdom
Germany, Hungary, Italy, Portugal, Spain
lain
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deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador
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deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Western Australia
New Zealand, Western Australia