Interesting article

Slow-worm

Love it! 
https://www.beautyofplanet.com/15-pics-of-wavy-crinkle-crankle-garden-walls-that-take-fewer-bricks-to-build-than-straight-ones/

Dovefromabove

Crinkle Crankle walks are well-known in Suffolk … thus one isn’t far from where I grew up … I saw it most days from the school bus or when cycling or riding around there https://www.bbc.co.uk/news/uk-england-suffolk-27551408

Great for establishing little ‘micro-climates’ for fruit trees. 😊