Author 'F.pimenta' (Id 179611 ) : Je n'ai pas located in what material put this photo, it's a House for insects that I was intrigued! Each block is dedicated has a own species: Osmies, wasps, Chrysopesn beetles, butterflies etc... In fact, this House is destiny a encourage the pollination of plants and flowers present in the arboretum and help the tiny creatures a cohabit and coexist in the same environment!