6. Torrevieja Pink Lake, Spain
The Pink Lake of Torrevieja, located on Spain's Costa Blanca, is one of the most important salt lakes in Europe. Its pink hue is produced by a combination of halobacteria and specific algae species that thrive in its hypersaline environment. The lake's geological background is particularly fascinating, as it was formed by complex tectonic activity and marine regression millions of years ago. The surrounding area is characterized by unique salt-tolerant plants and crystalline salt formations that create an otherworldly landscape. While the lake's high salinity makes it inhospitable to most aquatic life, it provides an ideal habitat for flamingos, which feed on the algae responsible for the pink color.
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