How was Stonehenge constructed?
The first step in building Stonehenge was a diging outer ring that later would be surrounding altar placed in the middle of the ring, to do that altern tool have been used to dig all holes and other scrap material like rocks and old wood.
To build Stonehenge there were used two different types of stone, first was bluestone that was transported from Preseli Hills 250km away and second was saren located in Marlborough 30km from Stonehenge build site.
To transport bluestone from Preseli Hills over 250km for the most of the way stones were transported on makeshift rafts moving near the coast and through rivers.
Saren stones located at Marlborough 30km away were pulled over cut logs to place near Stonehenge to be shaped to proper form.
Stones has been shaped by sand scattered on top and using a flat scrap piece of rock to scrape the surface with flattening a surface of the stone.
To raise support stones each had temporarily attached counterweight and was pulled into a previously dug a hole with a ramp on one side for easier placement.
Top stones have been risen using ramp built out of dirt and bridge between two pillars allowing stones to be set without any damage to them.
And on the end of the building process of Stonehenge altar was located in the middle and was surrounded by a circle of stones and the outer ring surrounding the whole site, also after many years some small stones have been slightly moved.