9/11 blue is such a distinct color, and it's seared into my brain. It's so intwined with the day, it's part of the permanent collection at the museum: https://w

9/11 blue is such a distinct color, and it's seared into my brain. It's so intwined with the day, it's part of the permanent collection at the museum: https://www.911memorial.org/connect/blog/trying-remember-color-sky-september-morning https://www.911memorial.org/connect/blog/trying-remember-col...