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