In the Basque sculptor Eduardo Chillida Tindaya Mountain, on Fuerteventura. Chillida's idea was to create a large empty void inside, with dimensions 50 x 50 x 50 meters, with an entrance tunnel of 200 meters and two skylights.
Aoyama Sta Building This unique structure is the Sta Building in Aoyama, Tokyo. The architects seem to be "Sanokei Architects". There is a hair salon inside. the green facade elements of this fantastic building, could produce energy from sunlight?