What on Earth?

Lost City of the Kalahari (2x3)

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January 2002 SeaStar satellite monitoring the world's oceans sees a massive dark blob off the coast of south Florida; a NASA satellite launched in 2002 looks for gravity anomalies on earth and finds an unexpectedly large gravity under the ice of Antarctica; in May 2013 satellite researcher using Google Earth finds spiral formations in the Kalahari desert of South Africa; in April 2013 an image is posted from Holland that appears to show a murder captured by satellite images; an image shows streaks of light and a nearby point of light in the West African Sahara Desert were no light was seen before that disappears the next night