In Pictures: The World’s Largest Solar Thermal Power Plant – Technology Review.

The Ivanpah solar thermal plant uses concentric circles of mirrors that will focus sunlight onto a central tower, generating high temperatures to produce steam. The plant will feature three towers, each with its own set of mirrors. The first unit, in the foreground, is the nearest to completion. By February of this year, workers had begun to install mirrors, which can be seen in the upper left and right sides of the field.