Desert Varnish on rocks, The Gorge, Capitol Reef National Park, Utah, United States of America, North America

Wooden letters forming the word JESUS and Bible, Christian symbol, Vietnam, Indochina, Southeast Asia, Asia

Wooden letters forming the word GOD and Rosary, Christian symbol, Vietnam, Indochina, Southeast Asia, Asia

Wooden letters forming the word JESUS and Rosary, Christian symbol, Vietnam, Indochina, Southeast Asia, Asia

Wooden letters forming the words JESUS and GOD, Christian symbol, Vietnam, Indochina, Southeast Asia, Asia

Doorway, Ile de Re region of France.

Indian petroglyphs drawn on red standstone by scratching away dark desert varnish of iron oxides, Newspaper Rock, Canyonlands, Utah, United States of America, North America

Traditional Tuscan doorway in Piazza Francesco Ferrucci in Radda-in-Chianti, Tuscany, Italy

Petroglyphs carved 1000 years ago by Fremont Native American people in the iron oxide 'desert varnish' on the sandstone of Cub Creek Valley in this fossil park, Dinosaur National Monument, Utah, United States of America (USA), North America

Petroglyphs carved 1000 years ago by Fremont Native American people in the iron oxide 'desert varnish' on the sandstone of Cub Creek Valley in this fossil park, Dinosaur National Monument, Utah, United States of America (USA), North America

Petroglyph of male figure carved 1000 years ago by Fremont Native American people in the iron oxide 'desert varnish' on the sandstone of Cub Creek Valley in this fossil park, Dinosaur National Monument, Utah, United States of America (USA), North America

Primo Pistoni making a violin in his workshop, Applying varnish, Violin Maker, Cremona, Lombardy, Italy

Steel beam with bolts and flaking paint, industrial ruins, North Rhine-Westphalia, Germany, Europe