The vertical forest is a fantastic idea by Stefano Boeri that was inaugurated in 2014 in Milan, in the Prota Nuova Isola area.

It consists of two towers of 80 and 112 metres, hosting 480 large and medium trees, 300 small trees, 11,000 perennial and covering plants and 5,000 shrubs. 

Source: archdaily

Photos: Paolo Rosselli