Asia
China, India, Kazakhstan, Mongolia, Russia
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Afrika
Namibia, Nigeria, South Africa
Namibia, Uganda
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Germany, Hungary, Italy, Portugal, Spain
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil, venezuela
-
deposito di oceania benua
Australia
New South Wales, New Zealand
New Zealand, Western Australia