Khitan nomadic people (Khitan), once existed in Central Asia and North Asia. History records that this people built the Liao state and created their own writing.
The fossilized remains discovered in West Africa are startling scientists when perhaps an extinct ancient mysterious tribe may have married the first West Africans.
Archaeologists have found 'lost' civilization in southwestern Libya. Those are the sand castles of ancient culture in the Sahara desert.
The island used to be a place where people lived very prosperously, but about 160 years ago suddenly became clean, no trace. So far, the solution has not been found.