Mysterious 'doorway' in Antarctica is discovered on Google Maps
Briefly

'This feature is in an area of fast sea ice in East Antarctica, just offshore of the coast. There are a series of islands there and the water is pretty shallow. This is an iceberg that became grounded and is now stuck and melting out in situ. You can see many other icebergs in the area.' - Professor Bethan Davies.
'This is simply ice flow around a solid subglacial obstacle, influenced also by melting and re-freezing of ice and by katabatic winds. The ice is quite thin here.' - Professor Martin Siegert.
Read at Mail Online
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