China built the world's most massive floating solar project

It's on a lake formed by a collapsed coal mine.

HuffPost UK reported that China has recently finished work on something pretty extraordinary: A huge solar array that floats on the surface of a lake.

"It is the largest floating solar project of its kind and can, according to the New York Times, produce enough electricity to power the lights and air conditioning of a nearby city," 

View the full report here.