The Nazca Lines, Peru These geoglyphs are located in the Nazca Desert; they are composed of more than 13,000 lines creating approximately 800 stylised drawings whose meaning remains vague to this day. Tongro Image Stock / age fotostock
In the heart of a desert plain, the Nazca lines have remained a mystery. Drawn on the ground over tens of miles between the IVc and Xc, they are believed to be the work of astronomers trying to symbolise the movement of the planets.