13,000-year-old carvings in Turkey may be the world's oldest lunisolar calendar
13,000-year-old carvings in Turkey may be the world's oldest lunisolar calendar
www.livescience.com
13,000-year-old carvings in Turkey may be the world's oldest lunisolar calendar
Göbekli Tepe is a stunning discovery and it just gets more stunning the more we learn about it.
https://whc.unesco.org/en/list/1572/