18:19Why city flags may be the worst-designed thing you've never noticed | Roman Mars
TED
3 HN recommenders
Urbanism: public transit, trains, subways, high-speed rail, cycling infrastructure, Dutch road design, city planning, zoning, housing, road safety, hyperloop critiques, walkable cities.
18:19TED
3 HN recommenders
Indie Picks is organized from video metadata and uploader descriptions; it is not a full-video editorial review. HN Library retains community discussions. Sources and data notes