Due to their dimensions, the power plants aren't supposed to be optimally-performing but rather to be as easy as possible to transport and assemble on the site, replicable, and cost effective.
The pre-existing 30/50m high pylons bear the chimneys, the greenhouse basis is obtained through a modular wooden structure covered with transparent PVC sheets, and the vertical structure is girdled by a plastic fabric envelope on steel frames.
The inner staircase, hanged to the pylon structure, will bring the visitors to discover the surrounding landscape step by step through targeted openings surrounded by written and illustrated informations about the natural and historical heritage. From the top, the landscape will be finally visible 360°. The towers will also act as commercial banners visible from both the infrastructures, through videomapping or backlit writings they will promote initiatives by the sponsoring enterprises. Green-tech-media trees on the sides of a third Millenium boulevard.