deposito di benua timur
Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
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Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Namibia, Uganda
Eropah
United Kingdom
Germany, Hungary, Italy, Portugal, Spain
lain
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deposito di benua Barat
Amerika Utara
USA
USA
Amerika Selatan
Kolumbia
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deposito di oceania benua
Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
New Zealand, Western Australia