![Forest walk in Nordmarka from Sognsvann lake to Hammeren via Ullevalseter Oslo Norway | Philip Schwarz Photography Blog Forest walk in Nordmarka from Sognsvann lake to Hammeren via Ullevalseter Oslo Norway | Philip Schwarz Photography Blog](https://philipschwarzphotography.files.wordpress.com/2018/09/forest-walk-in-nordmarka-from-sognsvann-lake-to-hammeren-via-ullevalseter-oslo-norway-18-6p-_0315.jpg)
Forest walk in Nordmarka from Sognsvann lake to Hammeren via Ullevalseter Oslo Norway | Philip Schwarz Photography Blog
Akvarell fra Hammeren, Maridalen, Oslo ant. ca. 1800. Landskap, tømmerhus og foss. - Norsk Folkemuseum / DigitaltMuseum
Olje- og energidep on Twitter: "Ukas kraftverk: Hammeren i Oslo. En gang trodde man dette anlegget skulle forsyne hovedstaden med strøm for all framtid. Foto: E-CO Energi. https://t.co/k2suoIg89S" / Twitter
![Forest walk in Nordmarka from Sognsvann lake to Hammeren via Ullevalseter Oslo Norway | Philip Schwarz Photography Blog Forest walk in Nordmarka from Sognsvann lake to Hammeren via Ullevalseter Oslo Norway | Philip Schwarz Photography Blog](https://philipschwarzphotography.files.wordpress.com/2018/09/sognsvann-lake-forest-walk-in-nordmarka-from-sognsvann-lake-to-hammeren-via-ullevalseter-oslo-norway-18-6l-_1031.jpg)