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These are all over Pittsburgh! https://www.birdsoutsidemywindow.org/2019/03/28/the-trees-are-snowing/ https://www.birdsoutsidemywindow.org/2019/03/28/the-trees
by tantalor 7y ago
These are all over Pittsburgh!
https://www.birdsoutsidemywindow.org/2019/03/28/the-trees-are-snowing/ https://www.birdsoutsidemywindow.org/2019/03/28/the-trees-ar...
> planted in Pittsburgh in the late 1800s because they’re tolerant of air pollution
- stevage 7y agoThey are all over everywhere! They're one of the most popular street trees in many cities around the world. Incredibly robust, hardly susceptible to any insects, etc etc.