Bob's BBQ area with railway sleeper sides

Hi Thanks for the 35 new Oak railway sleepers you delivered a few weeks ago.
Under construction shots are attached of BBQ area retained by railway sleepers laid on edge with Mypex membrane over fill. This will be covered in gravel.
Bob Osbourne
West Midlands

New Oak railway sleepers
2600mm x 220mm x 63mm Says..

An imposing and impressive project, that's great to see half way through.