They developed a form of architecture based on Megaliths . ​

Sagot :

Answer:

3,500 years BCE , man has developed a form of architecture based on megaliths (megalith - a big rock; literally in Greek: lithos - stone, megas - big) - structures made of rough huge stone blocks, probably intended for burial ritual

Explanation:

Answer:

3,500 years BCE , man has developed a form of architecture based on megaliths (megalith - a big rock; literally in Greek: lithos - stone, megas - big) - structures made of rough huge stone blocks, probably intended for burial ritual