Alien ice circles
"In the “Steig et al – falsified” thread, since we have been discussing geothermal activity along the Antarctic peninsula, I thought I’d pass along these images that show other parts of the planet were geothermal heat seems capable of melting ice and making it all the way to the surface.
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Astronauts aboard the International Space Station noticed two mysterious dark circles in the ice of Russia’s Lake Baikal in April. Though the cause is more likely aqueous than alien, some aspects of the odd blemishes defy explanation."
http://wattsupwiththat.com/2009/05/30/geothermal-ice-circles-in-russia%E2%80%99s-lake-baikal/#more-8089