A friend posted a photo of Woodstock from overhead as a demonstration of what 400,000 people look like. Its a huge number...hard to visualize.
I've been using citites.
But, I've lived other places, and I know people from all over, many of whom have traveled quite a bit.
Yesterday, it was the city of Arlington, 49th largest city in the US.
By the end of today, it will be Tulsa, Oklahoma.
Tomorrow, it will be Tampa, Florida, instead.
About two weeks from now Virgina Beach, followed by Colorado Springs, Long Beach, and Miami...theres a few more cities between Miami and the next milestone (500,000), but...
At some point, large numbers become abstractions for most of us.