Modern tools

Put them to use making the things which lasted for centuries & not making the crap you see all around you, which will become useless very quickly. Import us marble now & line a long tunnel somewhere with it for removal later.

 

As you see the Neolithic stones have been around since the beginning of heavy construction. While tools are available great stones can be lifted in the knowledge they will remain at best the duration of man. Bore holes for upright sapling poles & symmetry would improve. We need to make these a part of structures somehow. This was surrounded by sloping Earth & sheltered many from the wind of the plains, former Capital of the UK. Nobody admits it because of Government mockery.