About 200,000 years ago this vast area of what is now sand dunes used to be a wet and fertile region in south-western Libya. Due to climate change between 3,000-5,000 years ago the lake evaporated and now there are roughly 20 smaller lakes that make up the Ubari Sand Sea. While these photographs show the reality of global warming, these photos are breathtaking. What is making you happy this week?
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