This giant Readymix diamond sign was created in 1965. It is 3.2km across and 1.6km high. It is hard to see now, but the word READYMIX was listed in the Guiness book of records from 1972-1992 for having the largest letters in the world.
Artwork - Land Art/Geoglyphs
Links: en.wikipedia.org
By: hhgygy