On 09/03/2021 08:59, Roger Hayter wrote:
On 9 Mar 2021 at 07:07:43 GMT, "Chris Hogg" wrote:

On 8 Mar 2021 22:38:09 GMT, Roger Hayter wrote:

am I being too pessimistic?

Yes

What if some of the lower stones sink more at the front and the upper ones
slide off? Or the soil behind the wall gets very wet and forces out some of
the middle blocks?

That's what engineering calculations are for...


--
"Nature does not give up the winter because people dislike the cold."

ۥ Confucius