Before You Die: the Plain of the Unexplained by Philip Sen

The Plain of Jars is exactly what it says it is. A plain full of jars. Whether the thousands of artefacts scattering the otherwise empty grasslands are dynastic burial chambers, ancient brewing vessels or simply Neolithic dustbins, no-one knows. Don't ask any questions, just enjoy the enigma that is all that is left of a once great civilisation.