The origin of large earth-mounds in New South Wales is hard to explain with geological forces alone, maybe a still unknown species of mound-building bird made them some 10,000 years ago.
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The origin of large earth-mounds in New South Wales is hard to explain with geological forces alone, maybe a still unknown species of mound-building bird made them some 10,000 years ago.
from Forbes – Tech https://ift.tt/2KGdFrS
via IFTTT