A chap near us in HH has built himself a nice house with an eight foot fence running for about 70 metres down the side. As the land slopes down and he didn't want to put a lot of fill in the wall is tepped down with the slope of the land.
All fine and dandy except that during the summer someone bought the piece of land next to hiim and decided that he DID want a nice flat piece of land so the guy who built himslef a nice eight foot wall for a bit of privacy now has a wall eight foot tall on his side and four foot tall on the other at the upper end and about a foot tall at the lower end.
Of course the land fill has not gone right up against the wall, but as soon as it rains guess where all the water is going to run to. I hope he built the foundations of his 'embankment' nice and deep.