I came here first when I was a kid – and, apart from the colour-coding of the concrete posts, it’s exactly the same – that is, disappointing and somewhat pointless.
I presume these days that archaeology / archaeobotany or whatever is cool enough to give an idea of how high the original wooden posts would have been – so why not make the modern markers a similar height? – at least that way there would be some sort of feeling of wandering through the cosmic grove or whatever it was...