Casper David Friedrich, Monk by the Sea

Caspar David Friedrich - Wanderer above the sea of fog.jpg
"Caspar David Friedrich - Wanderer above the sea of fog" by Caspar David Friedrich - The photographic reproduction was done by Cybershot800i. (Diff). Licensed under Public domain via Wikimedia Commons.

Caspar David Friedrich 016.jpg
"Caspar David Friedrich, Memories of the Giant Mountains, 1835" by Caspar David Friedrich - Hermitage Torrent (.torrent with info-hash). Licensed under Public domain via Wikimedia Commons.