Children from lost civilisation 'helped build' geoglyph some 6,000 years ago

Children were involved in the construction of a geoglyph in the Urals which was only discovered thanks to images taken from space. It predates Peru's famous Nazca Lines by thousands of years, archaeologists have announced. But they are no nearer answering why ancient man made it, nor can they yet fathom which group built the geoglyph; archeological traces found so far in the area do not show a culture with sufficient refinement. 

Was it to impress the gods or did it have some other purpose?

Experts have been examining the giant moose-shaped stone structure since it was discovered in 2011 and have now confirmed it is the world's oldest.