As it turns out, your editor coincidentally just got a question about these trees....
From one of our favorite blogs: Ephemeral New York
The solemn story of Park Avenue’s holiday trees
Uptown Park Avenue is an almost unbroken line of stately, impeccable apartment buildings. And every December, it’s also a miles-long line of sparkling holiday trees.
READ AND SEE MUCH MORE AT https://ephemeralnewyork.wordpress.com/2019/12/30/the-solemn-story-of-park-avenues-holiday-trees/