ይህ ሰው አማራ የለም ለማለት ከ1000ና 1500 አመታት ወደኋላ ሄዶ ያኔ አማራ አልነበረም ይለናል።
In addition to that, there weren't many people around in the period 5,000 and 9,000 years ago, so calling it a climate optimum is a real relative term.