Tomb of Pozo Moro built
600 BCE.
Shown on the map at 38.922°, -1.730°.
The Mausoleum of Pozo Moro is a Mausoleum of the Iberians from the end of the 6th century BC, which was discovered in 1970 in excavations made in the Province of Albacete.
Text from the Wikipedia article Mausoleum of Pozo Moro, licensed CC BY-SA 4.0.