On 09/03/2021 09:41, The Natural Philosopher wrote:
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?Â* Or the soil behind the wall gets very wet and forces out
some of
the middle blocks?

That's what engineering calculations are for...


stone...titter titter....