Because most existing species live in Australia, early researchers concluded that Varanus originated in Australia and subsequently island hopped westward along the Indo-Australian archipelago.
India and Bangladesh are of course affected by the pressure on the Indo-Australian Plate, which is being pushed under the high Himalayas.
印度和孟加拉国当然受到印澳板块蓄积的压力的影响并被挤压到高大的喜马拉雅山脉之下。
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But it is the Indo-Australian plate that gives way to incite change in these other plates and this is what is manifesting now to those closely following the changes.