Holes the size of city blocks are forming in the Arctic seafloor - 9News

<p>Marine scientists have discovered deep sinkholes, one larger than a city block of six-story buildings, and ice-filled hills that have formed &quot;extraordinarily&quot; rapidly on a remote part of the Arctic seafloor</p>

Property News: Music promoter Michael Coppel sells Toorak home for more than $30 million - domain.com.au

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