ENG. Using nature to transform it into art is something that has been done for quite a long, but still it deserves our admiration. It takes time (usually years) and sometimes the results are not the expected. Sometimes, though, the results are just amazing. This is what had happened with the alive cathedral, created by Giuliano Mauri in Bergamo, Italy.
(Via Flores en el ático)
A few more artists and natural land art can be found here