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Cathedral_of_St._John-NYC-Untapped-Cities-Credit-Wikimedia-Kripaks1Image via Wikimedia: Kripaks

Here’s what the Untapped staff is reading in the HQ today:

  • Morningside Heights Historic District Designated by Landmarks Commission [DNAinfo]: More than 100 buildings in Morningside Heights, including the , earned historic landmark status Tuesday, according to the Landmarks Preservation Commission. The commission voted unanimously to approve the cathedral and 115 buildings from West 109th to 119th streets between Riverside Drive and Amsterdam Avenue. The LPC also released a 3D online map, which gives information about each building.
  • The Hidden History of Photography and New York [The New York Times]: “It is one of the most beautiful discoveries of the age.” So wrote Prof. Samuel Finley Breese Morse on March 9, 1839, in a letter from Paris published in The New York Observer later that spring. The discovery was the daguerreotype process, a technique that produced a unique image on a polished, silver-plated copper sheet. Just two days earlier, Professor Morse had become the first American to see Louis-Jacques-Mandé Daguerre’s invention, more than five months before the astronomer François Arago would officially introduce it to the world in a presentation at the French Academy of Science.
  • A Revolutionary War sword turns up in Tudor City [Ephemeral New York]: Tombstones, wooden ships, mastodon teeth and bones—construction crews over the years have come upon some pretty wild artifacts while digging into the ground beneath New York City. But here’s a fascinating relic uncovered in 1929, when excavation was underway for the apartment buildings on the far East Side that would eventually become Tudor City.
  • A mile-deep, 10,000-year-old version of the Grand Canyon sits just below the Hudson [6sqft]: In the natural wonders department, the East Coast has its very own version of the Grand Canyon. Sitting under about 60 feet of water at the mouth of the Hudson River, the Hudson Canyon was created during the last ice age 10,000 years ago. Located on the continental margin (the zone of the ocean floor that separates the thin oceanic crust from thick continental crust) off New York and New Jersey at the outlet of the Hudson River, it’s so deep (estimated to be at least a mile) that we don’t know much about what lies at the bottom, but we do know that it’s a biodiversity hotspot.

Today’s popular Untapped Cities reads:

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