The Crinkle Crankle Wall in Bramfield, England is build like that on purpose. It's design allows it to stand on it's own without support columns or post.
“The Marree Man or Stuart’s Giant is one of the biggest geoglyphs on the planet. The figure is 1.7 miles tall. It was discovered in Australia in 1998. We still don’t know who created it or why.”
The Crinkle Crankle Wall in Bramfield, England is build like that on purpose. It's design allows it to stand on it's own without support columns or post.