The German Parliament building in Berlin was rebuilt by British architect Sir Norman Forster after reunification as a symbol and an example of the Energiewende, the name for the country's renewable energy transformation. The building is fully powered by renewable energy.

All photos by Osha Gray Davidson unless otherwise indicated.

This slideshow is part of an ebook, "Clean Break: The Story of Germany's Energy Transformation and What Americans Can Learn From It" that is now available as a Kindle Single on Amazon.

Click here to read chapter one of the six-part series.