Exploring past, present and future urban technologies in science and fiction, etc.
https://www.komonews.com/news/local/seattle-seafair-4th-fourth-of-july-celebration-7000-pounds-fireworks-festivities-festival-firework-show-20-minutes-when-do-gates-open-start-summer-score-lake-union-space-needle-park-washington-where-to-go
https://en.wikipedia.org/wiki/Seafair
https://www.king5.com/article/news/local/how-to-watch-seafair-summer-fourth-of-july-fireworks/281-0be0ef47-4f76-4570-b8f8-8a9c6b13ca72
https://en.wikipedia.org/wiki/Seafair#Events
https://www.seafair.org/
https://visitseattle.org/events/seafair-weekend-festival/