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Illustrations:

Ill. I: Seeing the clouds above Binningen, Switzerland, 70 x 100 cm, 18 June 2018. Courtesy: Private collection, Switzerland

Ill. II: Seeing the clouds above Schloss-Nauses, with thunder, 69 x 99 cm, 27 May 2018

Ill. III: Seeing the clouds above Schloss-Nauses, Germany, 70,5 x 100,5 cm, 21 May 2018

For more information about Gerhard Lang's Visus Signatus drawings:
- Seeing the Mountains and Seeing the Clouds on the Furka Pass
- The Whitestone Pond Series
- Nubi Tempora
- Visus Signatus. Seeing my face
- Visus Signatus. Gerhard Lang draws the process of seeing the moon