Instagram users are obsessed with this turquoise lake. It's actually a power plant's 'dangerous' dumping ground.

Tucked away in a wooded area just outside the Siberian city of Novosibirsk is an amoeba-shaped lake. Accessible via a haphazard network of dirt roads, its grassy shores are lined with clusters of dark green trees. But unlike other nearby bodies of water, this one stands out - its water is a beguiling shade of bright turquoise.
In recent weeks, the lake's enchanting hue has sparked a social media craze, luring scores of camera-toting visitors to its banks. Photos show what appear to be scenes fro